4,4'-Diethynyl-1,1'-biphenyl
4,4''-Diethynyl-5'-(4-ethynylphenyl)-1,1':3',1''-terphenyl
1,4-Diethynyl-2,5-dimethoxybenzene
1,4-Diethynyl-2,5-dimethylbenzene
1,4-Diethynyl-2,5-bis(octyloxy)benzene
2,7-Diethynyl-4,4,9,9-tetrahexyl-4,9-dihydro-s-indaceno[1,2-b:5,6-b']dithiophene
3,8-Diethynyl-1,10-phenanthroline
5,5'-Diethynyl-2,2'-bipyridine
4,4'-Diethynyl-2,2'-bipyridine
4,4'-Diethynyl-2,2'-dimethyl-1,1'-biphenyl
1,4-Diethynyl-2,5-dipropoxybenzene
15,16-Diethynyl-2,3,5,6,8,9,11,12-octahydrobenzo[b][1,4,7,10,13]pentaoxacyclopentadecine
