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  1,4-Pentadiyn-3-one, 1,5-bis(trimethylsilyl)-

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  4,4''-diethynyl-1,1':4',1''-terphenyl

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  1,3-DIETHYNYLBENZENE

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  5,5'-diethynyl-2,2'-bipyridine

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  1-ethynyl-4-[2-(4-ethynylphenyl)ethynyl]-benzene

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  Naphthalene, 2,6-diethynyl-

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  Thieno[3,2-b]thiophene, 2,5-diethynyl-

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  Benzene, 1,4-bis[(2-propynyloxy)methyl]-

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  1,4-Diethynylbenzene