... 7-Methyl-3-methylene-1,6-octadiene 2.1 :1 — TBP 70 2 hr 95 d 44 2,3-Dimethyl-1,3-butadiene — Ether *- 100 — 60 135 19 2,3-Dimethyl-1,3-butadiene 1 :1 ...
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