4,4'-Bis(chloromethyl)-1,1'-biphenyl

4,4'-BIS(HEPTYLOXY)AZOXYBENZENE

4,4'-DIAMINOOCTAFLUOROBIPHENYL

4,4-Difluorocyclohexanecarboxylic acid

4,4'-DIISOCYANATO-3,3',5,5'-TETRAETHYLDIPHENYLMETHANE

4,4'-DIPHENYLBENZOPHENONE