Sigma-Aldrich
4,4''-BIS(TRIMETHYLSILYL)-P-TERPHENYL
4,4'-DIBROMOAZOXYBENZENE
4,4'-Dichlorochalcone
4,4'-DIIODO-3,3'-DIMETHOXYBIPHENYL
4,4'-DIMETHYL-BICYCLOHEXYL-3,6,3',6'-TETRAENE-2,5,2',5'-TETRAONE
4,4'-DINITRO-BIPHENYL-2,2'-DICARBOXYLIC ACID DIMETHYL ESTER
4,4'-METHYLENEBIS(N-(2-PYRIDYLOXYCARBONYL)ANILINE)
4,4'-METHYLENEBIS(N-(4-METHOXYBENZYLIDENE)ANILINE)
4,4'-METHYLENEBIS(PROPIOPHENONE)
4,4'-SULFONYLBIS(N-(4-ACETAMIDOBENZYLIDENE)ANILINE)
4,4'-TRIMETHYLENEBIS(1-PIPERIDINEDITHIOCARBOXYLIC ACID, AMMONIUM SALT)
4,4-BIS-(3,5-DICHLORO-4-HYDROXYPHENYL)-VALERIC ACID
4,4-DIETHOXY-2-BUTYN-1-OL
4E,8Z-Sphingadiene
4,5′-Dichloro-2′-hydroxychalcone