Ethyl 4,4,4-trifluorocrotonate

4,4'-BIPHENYLDICARBONYL CHLORIDE

4,4'-Methylenebis(N,N-dimethylaniline)

4,4'-BIS(HEPTYLOXY)AZOXYBENZENE

4,4'-BIS(N-HEXYLOXY)AZOXYBENZENE

4,4'-(ALPHA,4-DICHLOROBENZYLIDENE)BIS[2,2'-(PHENYLIMINO)DIETHANOL]