Refers to organic compounds containing two triple bonds separated by a single bond, with the general chemical formula CnH2n-2.
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1,4-bis(2-bromophenyl)-1,3-butadiyne
3H-1,5-Benzodiazepine, 2-(4-methoxyphenyl)-4-phenyl-
1-(4-(4-methoxyphenyl)buta-1,3-diynyl)-3-methylbenzene