出典:Wiktionary
diacetylene (countable かつ uncountable, 複数形 diacetylenes)
出典:Wikipedia
出典:『Wikipedia』 (2011/05/26 20:31 UTC 版)
Diacetylene (also known as butadiyne), with the formula C4H2, is a highly unsaturated hydrocarbon that contains three single bonds and two triple bonds. It is the first in the series of polyynes.