4,4'-(PHENYLMETHYLENE)BIS(1,5-DIMETHYL-2-PHENYL-1H-PYRAZOL-3(2H)-ONE)

4,4'-BI(6-METHOXYDIBENZOFURAN)

4,4'-BIS-METHYLSULFANYL-BIPHENYL

4,4'-BIS(4-(CARBETHOXY)PHENYLUREIDO)-3,3'-DIMETHYLBIPHENYL

4,4'-BIS(TRIHEXADECYLSILYL)BIPHENYL

4,4'-DIBROMO-2-BIPHENYLAMINE

4,4'-Dichlorobutyrophenone

4,4'-DIHYDROXYAZOXYBENZENE

4,4'-DIMETHYL-2,2'-DIHYDROXY-6,6'-BIQUINOLINE

4,4'-DINITRO-2,2'-BIPYRIDINE-N-OXIDE

4,4'-METHYLENEBIS(N-(2-HYDROXY-1-NAPHTHYLMETHYLENE)ANILINE)

4,4'-METHYLENEBIS(N-(4-HYDROXY-3-METHOXYBENZYLIDENE)ANILINE)

4,4'-METHYLENEBIS(PHENYLHYDRAZINE) HYDROCHLORIDE HYDRATE

4,4'-SULFONYLBIS(6-(TERT-BUTYL)-M-CRESOL)

4,4'-TRIMETHYLENEBIS(1-(N-(4-ETHOXYPHENYL)THIOCARBAMOYL)PIPERIDINE)