1,1'-(1,3-Butadiin-1,4-diyl)bisbenzol Ethyl-3-phenylprop-2-inoat 9,10-Bis(phenylvinyl)anthracen Phenylpropiolaldehyd 3-Ethinylanilin Dehydrocinnamaldehyd-diethylacetal Prop-1-ynylbenzol 1-Chlor-9,10-bis(phenylethinyl)anthracen Phenylpropiolsure 4-Phenylbut-3-yn-2-on Diphenylacetylen 5,12-Bis(phenylethinyl)naphthacen