Sigma-Aldrich
4,4'-(1,4-PHENYLENE)BIS(3,3-DIP-TOLYLOXETAN-2-ONE)
4,4'-(2,2-DICHLOROETHENE-1,1-DIYL)BIS(2,6-DINITROPHENOL)
4,4′-(Heptane-2,2-diyl)diphenol
4,4'-(phenylmethylene)diphenol
4,4''-BIS-BROMOMETHYL-(1,1',3',1'')TERPHENYL
4,4'-BIS(2-(TRIFLUOROMETHYL)PHENYLUREIDO)-3,3'-DIMETHYLBIPHENYL
4,4'-BIS(3-CHLOROPHENYLUREIDO)-3,3'-DIMETHYLBIPHENYL
4,4'-BIS(DIMETHYLAMINO)OXANILIDE
4,4'-BIS(TRIFLUOROMETHYL)BENZANILIDE
4,4'-DIBROMO-1,1'-BINAPHTHYL
4,4'-DICHLORODIPHENYLDISULFIMIDE
4,4'-DIMETHYLBENZOIN
4,4′-Dioxo-1,1′,4,4′-tetrahydro-8,8′-biquinoline-2,2′-dicarboxylic acid
4,4'-DITHIOBIS(N-CINNAMYLIDENEANILINE)
4-NITROBENZYL N-(4-FLUORO-2-NITROPHENYL)CARBAMATE