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#1差向異構體- 維基百科，自由的百科全書
差向異構體（英語：Epimer），又可以稱為表異構物，是指在含有兩個或多個四面體型手性中心的分子中，只有一個不對稱原子構型不同的一對非對映異構體。
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#2表異構物(epimers) - 小小整理網站Smallcollation
表異構物(epimers). A. 定義：兩醣類在OH基的空間排列上，僅一個碳上的-OH基的位置不同. B. <e.g> D-glucose、D-galactose在C4上OH基排列不同
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#3epimer - 表異構物 - 國家教育研究院雙語詞彙
出處/學術領域, 英文詞彙, 中文詞彙. 學術名詞 畜牧學, epimer, 表異構物. 學術名詞 化學名詞-化學術語, epimer, 差向異構物；表異構物. 學術名詞 食品科技
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#5Epimer - an overview | ScienceDirect Topics
Epimers · Two sugars differing in configuration at a single asymmetric carbon atom are known as epimers. Glucose and mannose · -galactose. In all cases (and there ...
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#6Epimer Definition & Meaning - Merriam-Webster
The meaning of epimer is either of two stereoisomers that differ in the arrangement of groups on a single asymmetric carbon atom (such as the first chiral ...
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#7Epimer definition and meaning | Collins English Dictionary
Epimer definition: either of two optical isomers differing from each other only in the configuration of the... | Meaning, pronunciation, translations and ...
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#8Epimers of Vitamin D: A Review - PubMed
In this review, we discuss the sources, formation, metabolism, function, biological activity, and potency of C3-epimers (epimers of vitamin ...
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#9Epimer - Illustrated Glossary of Organic Chemistry
Epimer : One of a pair of stereoisomers that differ in the absolute configuration of a single stereocenter. When the molecule has only one stereocenter then ...
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#10Epimers| Definition and Example | Enantiomers - Byjus
Epimers are carbohydrates that differ in the location of the -OH group in one location. Both D-glucose and D-galactose are the best examples. D-glucose and D- ...
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#11D-(+)-Galactose, C-4 epimer of glucose (ab146237) - Abcam
MW 180.16, Purity > 98%. C-4 epimer of glucose. Aldohexose that serves as an energy source and as an essential component of glycolipids and glycoproteins.
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#12Epimers - Chemistry LibreTexts
Epimers are diastereomers that contain more than one chiral center but differ from each other in the absolute configuration at only one ...
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#13LC 2 Epimer (7421) | Bio-Techne
LC 2 EpimerNew. Catalog # 7421. Datasheet / COA / SDS. Active Degrader Negative Controls Small Molecule. Catalog #. Availability. Size / Price.
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#14LC 2 Epimer Supplier | CAS 2502156-12-7 | Tocris Bioscience
View and buy high quality LC 2 Epimer from Tocris Bioscience. Negative control for LC 2 (Cat. No. 7420).
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#15Epimer - chemeurope.com
Epimer In chemistry, an epimer is a stereoisomer of another compound that has a different configuration at only one of several stereogenic centers.
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#16What is an Epimer? - Definition in Chemistry & Examples
Epimers are a specific type of stereoisomer that have multiple stereocenters, but only differ from one another by the configuration at one of the stereogenic ...
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#17epimer在線翻譯 - 海词词典
epimer 的相關資料：. 臨近單詞. EPL Ep eptifibatide epidithio- epiquinidine Ephedra herb eprinomectin epiamastatin episplenitis epiglottitis epinodosinol ...
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#18Epimers with distinct mechanical behaviours - RSC Publishing
This study highlights the impact of relative stereochemistry in epimer compounds on their mechanical properties; the crystals of one series of esters are ...
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#19Tacrolimus 8-epimer United States Pharmacopeia (USP ...
Tacrolimus 8-epimer United States Pharmacopeia (USP) Reference Standard; CAS Number: 129212-35-7; Synonyms: 8-epi-Tacrolimus,Epitacrolimus; find USP-1642824 ...
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#20Discrepant association of serum C-3 epimer of 25 ...
It is unknown at present how C-3 epimers of vitamin D metabolites and lipid metabolism are related. Toward this end, we explored in the present ...
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#21Epimer - List of Frontiers' open access articles
This page contains Frontiers open-access articles about Epimer. ... Original Research revealed the N-benzylated compound 1a and its epimer 1b to be the most ...
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#22四環黴素類抗生素之檢驗(草案)
素、 脫氧羥四環黴素、 4-epimer-tetracycline 、. 4-epimer-oxytetracycline及4-epimer-chlortetracycline對照. 用標準品。 2.3. 器具及材料：.
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#23Epimer Images, Stock Photos & Vectors | Shutterstock
Find epimer stock images in HD and millions of other royalty-free stock photos, illustrations and vectors in the Shutterstock collection.
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#24Epimer - Oxford Reference
epimer. Quick Reference. Organic compounds that are partial isomers in that they differ from each other only in the three-dimensional ...
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#25Essentials of Organic Chemistry: For Students of Pharmacy, ...
Instead, we have the eight different names in two configurational classes, D and L . We can also use the term epimer to describe the relationship between ...
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#26Epimers
Epimers are carbohydrates which vary in one position for the placement of the -OH group. The best examples are for D-glucose and D-galactose.
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#27epimer - Spanish translation – Linguee
Many translated example sentences containing "epimer" – Spanish-English dictionary and search engine for Spanish translations.
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#28Tacrolimus 8-epimer (15 mg) (See USP Certificate for full ...
Tacrolimus 8-epimer (15 mg) (See USP Certificate for full Chemical Name) ... * Certain Material Origins (i.e. Animal, Plant, Fish) may require special country ...
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#29Dapagliflozin C2 Epimer [2133407-75-5] - Biotrend
Chemical Name, Dapagliflozin C2 Epimer. Synonyms, (2S,3S,4R,5S,6R)-2-(4-Chloro-3-(4-ethoxybenzyl)phenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol.
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#30Epimer Definition & Meaning | Dictionary.com
Epimer definition, either of a pair of isomeric aldose compounds, especially of certain sugars, that differ from each other in the positions of the H and OH ...
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#31Activity, Stability, and Pharmacology of the Epimers of ... - jstor
epimers of moxalactam were determined for 23 commonly isolated organisms. ... epimer was stable at - 20 C. The interconversion half-life in serum at 37 C, ...
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#32衛生局抽驗市售「豬肉」及「豬內臟」全過關
... 素、羥四環黴素類、氯四環黴素類、四環黴素類、脫氧羥四環黴素類、4-epimer-Tetracycline、4-epimer-Oxytetracycline、4-epimer-Chlortetracycline)；「豬肉內臟」 ...
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#33Dapagliflozin C2 Epimer [2133407-75-5] - CliniSciences
D185405-5mg | Dapagliflozin C2 Epimer [2133407-75-5]. Antibodies, Recombinant proteins, ELISA kits, RNAi, cDNA clones, Antibody Array, Luminex kits.
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#34Total Synthesis of Methoxyhygromycin and Its 5-Epimer - CSJ ...
Methoxyhygromycin, an antibiotic having a unique structure among the aminocyclitol antibiotics, and its 5-epimer are first synthesized.
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#35Epimers - Vedantu
Epimer is a stereoisomer where the configuration is different in any one of the stereogenic centres in a carbohydrate molecule. All the other stereocenters in ...
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#36Tigecycline Epimer | 1422262-97-2 | Biosynth Carbosynth
CAS No: 1422262-97-2. Product Code: FT177852. Chemical Formula: C29H39N5O8. Molecular Weight: 585.65 g/mol. References ...
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#37Plasma concentration-time profiles of 24R-epimer and 24S ...
The intragastric administration groups were administered 24R-epimer (A) or 24S-epimer (B) at doses of 5, 10 and 20 mg/kg, respectively. The intravenous groups ...
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#38Terminology of Molecular Biology for epimer - GenScript
epimer. A compound that differs from another by its configuration at only one asymmetrical centre. (see also diastereoisomer; enantiomer; stereoisomer) ...
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#39Epimer Meaning | Best 2 Definitions of Epimer - YourDictionary
What does epimer mean? One of two molecules that differ in the spatial arrangement of atoms or groups surrounding only one of two or more chira...
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#40Epimer - wikidoc
In chemistry, an epimer is a stereoisomer of another compound that has a different configuration at only one of several stereogenic centers.
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#41C-3 Epimer of 25-Hydroxyvitamin D3 Is Present in Adult Serum
Context:. Epimers have identical molecular structure but differ in stereochemical configuration. It is widely believed that the C-3 epimer of ...
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#42epimers (E02167) - IUPAC Gold Book
epimers. https://doi.org/10.1351/goldbook.E02167. Diastereoisomers. that have the opposite. configuration. at only one of two or more tetrahedral.
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#43Upgrade for 3-epi-25-OH-Vitamin D3/D2 - LC-MS/MS
Epimer Upgrade. Parameters: ... Analytical Column (Epimers) 25-OH-Vitamin D3/D2 in Serum/Plasma - LC-MS/MS. Order No. ... Internal Standard Epimers-Mix.
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#44epimer - Translation in LEO's English ⇔ German Dictionary
Learn the translation for 'epimer' in LEO's English ⇔ German dictionary. With noun/verb tables for the different cases and tenses ✓ links to audio ...
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#45epimer of guaiol - the NIST WebBook
epimer of guaiol. Formula: C15H26O; Molecular weight: 222.3663. IUPAC Standard InChI: InChI=1S/C15H26O/c1-10-5-7-12(15(3,4)16)9-14-11(2)6-8-13(10)14/h10-12 ...
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#46Vitamin D epimers are associated with circulating ... - Nature
Therefore, in this study, we examined the effect of vitamin D, including its epimers, on haemoglobin levels, independently of its effect on ...
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#47Epimer - definition of epimer by The Free Dictionary
Define epimer. epimer synonyms, epimer pronunciation, epimer translation, English dictionary definition of epimer. n. One of two molecules that differ in ...
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#48(-)-Pachastrissamine與其4-epimer的合成__國立中央大學博 ...
論文名稱: (-)-Pachastrissamine與其4-epimer的合成. 論文名稱(外文):, Total synthesis of (-)-Pachastrissamine and it''s 4-epimer. 指導教授: 侯敦仁.
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#49meroquinene and its epimer via an allylic radical cyclization
±-Meroquinene (1; cis-3-ethenyl-4-piperideneacetic acid) and its trans epimer 2 were prepared via an allylic radical cyclization of ethyl (2EZ ...
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#50Lovastatin-d9 Epimer Mixture [(±)-2-methylbutyrate-d9] - CDN ...
Product No. D-8013. Product Name. Lovastatin-d9 Epimer Mixture [(±)-2-methylbutyrate-d9]. Quantity ...
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#51Which of the following is C - 2 epimer of D - Glucose? - Toppr
Click here to get an answer to your question ✍️ Which of the following is C - 2 epimer of D - Glucose?
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#52About: Epimer - DBpedia
In stereochemistry, an epimer is one of a pair of diastereomers. The two epimers have opposite configuration at only one stereogenic center out of at least ...
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#53Organic Chemistry : Help with Epimers - Varsity Tutors
Specifically, these molecules are epimers, meaning that they differ at only one stereocenter. Constitutional isomers have the same molecular formula, but ...
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#54Fernene and Its 21-Epimer as an Epicuticular Layer on Ferns
9(11)-Fernene and Its 21-Epimer as an Epicuticular Layer on Ferns. Eckhard Wollenweber, Karl Egil Malterud and Luis D. Gómez P.
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#55Optimization of Chemical Syntheses of Vitamin D C3-Epimers
Reduction or saponification of the resulting ester finally leads to the corresponding C3-epimer, that may serve as starting material for a wide variety of ...
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#56Expedient Synthesis of Natural (S)-Sinefungin and of its C-6
Expedient Synthesis of Natural (S)-Sinefungin and of its C-6′ Epimer · Derek H. R. Barton · Stephane D. Géro · Beatrice Quiclet-Sire · Mohammed Samadi.
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#57Epimer | SpringerLink
Als Epimere wurden ursprünglich Aldosen bezeichnet, die sich nur in der Konfiguration an C-2 unterscheiden, wie z. B. ... d-Glucose und d-Mannose, die bei der ...
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#58Importance of C-3 Epimer of 25-Hydroxyvitamin D to Assess Vi...
Importance of C-3 Epimer of 25-Hydroxyvitamin D to Assess Vitamin D Deficiency in Children With Fractures. Tapan, Serkan MD; Sertoglu, Erdim MD.
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#59PLOS ONE: Stereoselective Property of 20(S)
In situ in vivo experiments showed that the inhibition of 24R-epimer on P-gp was ... 24S-epimer by single-pass intestinal perfusion of rhodamine 123 in rats.
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#60KEGG COMPOUND: C17326
CDP-4-dehydro-3,6-dideoxy-D-glucose epimer. Formula. C15H23N3O14P2. Exact mass. 531.0655. Mol weight. 531.3023. Structure, Mol file. KCF file. DB search.
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#61Emtricitabine 5-Epimer | CAS No- 145416-34-8 - SimSon ...
Buy Emtricitabine 5-Epimer (CAS No- 145416-34-8) online from SimSon Pharma, a global manufacturer & supplier of pharmaceutical intermediates.
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#62Tetracyclines in Biology, Chemistry and Medicine
Tetracycline epimers show differences in antibacterial bioactivity , where the B - epimer possesses only 5 % of the activity of the natural a - epimer ...
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#63epimer 中文- 表異構物 - 查查在線詞典
epimer 中文::表異構物;差向立體異構體…，點擊查查權威綫上辭典詳細解釋epimer的中文翻譯，epimer的發音，音標，用法和例句等。
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#64Learn About Epimer | Chegg.com
Epimers are defined as a pair of stereoisomers that differ in stereochemistry of one stereocenter. Epimers are a subpart of diastereomers that have a change ...
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#6516-O-Demethyl Fusicoccin J and Its 3-Epimer from ...
16-O-Demethyl Fusicoccin J and Its 3-Epimer from Fusicoccum amygdali, and Their Seed Germination-stimulating Activity in the Presence of Abscisic Acid.
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#66Rapid Analysis of C3 Epimers of 25-Hydroxyvitamin D in ...
The C3 epimers of 25-hydroxyvitamin D have lower bioactivity than the primary metabolites and, unless they are chromatographically separated, ...
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#67Epimer - DocCheck Flexikon
Als Epimer bezeichnet man in der Chemie spezielle Stereoisomere, die sich in der Konfiguration nur in einem Chiralitätszentrum unterscheiden.
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#68Epimer - Wikiwand
In stereochemistry, an epimer is one of a pair of diastereomers.[1] The two epimers have opposite configuration at only one stereogenic center out of at ...
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#69Synthesis, Structural Determination of a New Ocotillol ...
The results showed the configuration of C-24 of two epimers as S-form (4, ... Keywords: Ocotillol, derivative, epimer, synthesis, ...
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#708-D-ribityllumazine to a Recombinan - Emory University
Investigation of the Binding of Epimer A of the Covalent Hydrate of 6,7-Bis(trifluoromethyl)-8-D-ribityllumazine to a Recombinant.
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#71A highly stereocontrolled asymmetric total synthesis of epimer ...
A highly stereocontrolled asymmetric total synthesis of epimer of (+)-7-deoxypancratistatin has been achieved from readily available starting materials via ...
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#72Cytotoxic Isobractatin (Prenylated Xanthone) Epimer Mixture ...
Cytotoxic Isobractatin (Prenylated Xanthone) Epimer Mixture of Garcinia ... Keywords. Garcinia eugenifolia; isobractatin; epimer; breast cancer; T47D cells ...
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#73LC 2 Epimer (CAS 2502156-12-7) - R&D Systems
View and buy high quality LC 2 Epimer. Negative control for LC 2 (Cat. No. 7420).
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#7425-Hydroxyvitamin D C3-epimer is universally present in ...
Background: The presence of C3-epimer (C-3-epi-25-hydroxyvitamin D) in ... Vitamin D, C3-epimer, mass spectrometry, LC-MS/MS, cord blood.
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#75NEET UG - Epimer and Anomer in Hindi Offered by Unacademy
Get access to the latest Epimer and Anomer in Hindi prepared with NEET UG course curated by Aakash Krishna on Unacademy to prepare for the toughest ...
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#76Ivermectin 2-epimer
Ivermectin 2-epimer · Stable Isotopes and Metabolites · Pharmaceutical Reference Standards ...
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#77Can anyone explain to me how to identify epimers ... - Socratic
Epimers and anomers are both optical isomers that differ in the configuration at a single carbon atom, but there is a difference in their ...
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#78What's The Difference Between Epimers And Anomers?
Anomers and epimers are both diastereomers, but an epimer is a stereoisomer that differs in configuration at any single stereogenic center, ...
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#79Epimer @ Chemistry Dictionary & Glossary
Epimers are diastereoisomers that have the opposite configuration at only one of two or more chiral centers present in the respective molecular entities.
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#80Epimers and Anomers - Chemistry Steps
Epimers are diastereomers that differ in the configuration of only one chiral center. Anomers are epimers of cyclic carbohydrates.
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#81Mannose: C-2 epimer of Glucose - Outsourced Pharma
Mannose is a C-2 epimer of glucose and a sugar monomer of the aldohexose series of carbohydrates. Mannose is important in human...
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#82epimer [՝epimə] - 抓鸟
epimer 的解释是：差向异构体,差位异构体… 同时，该页为英语学习者提供：epimer的中文翻译、英英详解、单词音标、在线发音、例句等。
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#83Epimers And Anomers - Carbohydrates - MCAT Content - Jack ...
Epimers are stereoisomers that differ in the configuration of atoms attached to a chiral carbon. In the examples below, the difference in the position of ...
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#84Asymmetric Syntheses of (+)-Preussin B, the C(2)-Epimer of ...
Efficient de novo asymmetric syntheses of (+)-preussin B, the C(2)-epimer of (-)-preussin B, and 3-deoxy-(+)-preussin B have been developed, using the ...
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#85epimer - 藥師家
「epimer」+1。epimer.維基詞典，自由的多語言詞典. ... 學術名詞畜牧學,epimer,表異構物. ... epimer. epimer.維基詞典，自由的多語言詞典.跳至導覽跳至搜尋.
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#86What is epimer and give an example? - Quora
Those stereoisomers which are differing in its configuration at only one chiral carbon atom are called as Epimers. For example, glucose and galactose are ...
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#8725-Hydroxyvitamin D C3-epimer is universally present in neonatal ...
25-Hydroxyvitamin D C3-epimer is universally present in neonatal Western Australian samples but is unlikely to contribute to diagnostic misclassification.
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#88Difference Between Anomers and Epimers - Pediaa.Com
Anomers are cyclic molecules while epimers can be either acyclic or cyclic ... The terms anomer and epimer are used to describe carbohydrate ...
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#89The 25-hydroxyvitamin D3 C-3 epimer: Distribution, correlates, and ...
Little is known about the vitamin D3 epimer [3-epi-25(OH)D3], particularly in adults. We describe characteristics of the D3 epimer within the ...
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#90Rationalistic and unrepeated Niccolo reallocating her epimer ...
Rationalistic and unrepeated Niccolo reallocating her epimer pouncing arduously or aspire adventitiously, is Wiatt manifest.
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#91The Generation of C-3[alpha] Epimer of - ProQuest
The Generation of C-3[alpha] Epimer of 25-Hydroxyvitamin D and Its Biological Effects on Bone Mineral Density in Adult Rodents.
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#92Total Synthesis of 2 ''',5 '''-Diepisilvestrol and Its C1 ''' Epimer: Key ...
Total Synthesis of 2 ''',5 '''-Diepisilvestrol and Its C1 ''' Epimer: Key Structure Activity Relationships at C1 ''' and C2 '''.
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#93Epimers | OChemPal
Epimers are diastereomers that contain more than one chiral center but differ from each other in the absolute configuration at only one chiral center. eg: 1 and ...
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#94epimer 中文- 英文词典
若构型不同的手性原子处在链末端，则这两个异构体又称为“端基差向异构体”。 epimer. Definition of epimer in English Dictionary. 名词(Noun)PLepimers ...
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#95Elsevier’s Encyclopaedia of Organic Chemistry: Series III: ...
Rns. On oxidation of both epimers with lead tetraacetate in dry benzene in an ... On refluxing of the mono- triphenylmethyl ether of the epimer (I) with ...
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#96Epimers and Epimerization (Molecular Biology) - what-when ...
Epimers are diastereomers that are related by the inversion of configuration at a single chiral center (1). This definition extends the original meaning of ...
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#97Dictionary of Alkaloids, Second Edition with CD-ROM
3 - Epimer : ( 31146-50-6 ) . 3 - Epinupharamine . C15H25NO2 M 251.368 Alkaloid from the rhizomes of N. variegatum ( Nymphaeaceae ) . Pale - yellow oil .
epimer 在 コバにゃんチャンネル Youtube 的最讚貼文
epimer 在 大象中醫 Youtube 的最佳解答
epimer 在 大象中醫 Youtube 的最佳解答