4,4'-(2,2,2-TRICHLOROETHANE-1,1-DIYL)BIS(2-METHYLPHENOL)

4,4'-(ETHANE-1,2-DIYL)BIS(2,3,4,5,6-PENTAMETHYLCYCLOHEXA-2,5-DIENONE)

4,4'-(propane-2,2-diyl)bis(2,6-bis((dimethylamino)methyl)phenol)

4,4'-BIS-(2-CARBOXYPHENYLAMINO)-3,3'-DIMETHOXYBIPHENYL

4,4'-BIS(2,6-DIPHENYLTHIOPYRYLIUM TETRAFLUOROBORATE)

4,4'-BIS(4-CHLOROPHENYL)-5,5'-DIMETHYLTETRATHIAFULVALENE

4,4'-DIACETOXYBENZIL

4,4'-DICHLORO-(9,9')BIANTHRACENYL

4,4′-Dicyano-3-phenylpropiophenone

4,4''-DIMETHOXY-(1,1',3',1'')TERPHENYL

4,4''-DIMETHYLENEBIS(4'-METHYLBENZOPHENONE)

4,4'-DINITROSTILBENE-2,2'-DISULFONIC ACID, DISODIUM SALT

4,4'-METHYLENEBIS(N-(2,4,6-TRINITROPHENYL)ANILINE)

4,4'-METHYLENEBIS(N-(8-QUINOLYLOXYCARBONYL)ANILINE)

4,4'-OXYDIBUTANOIC ACID