4,4'-BIS(1-CYCLOHEXEN-1-YL)BIPHENYL

4,4'-BIS(3-METHYL-3-PHENYLUREIDO)DIPHENYLMETHANE

4,4'-BIS(N-(2-HYDROXY-1-NAPHTHYLMETHYLENE)AMINO)DIPHENYL SULFONE

4,4'-DIAMINO-5,5'-DIMETHYL-2,2'-BIPHENYLDISULFONIC ACID

4,4'-DICHLORODIPHENYLDISULFIMIDE

4,4'-DIMETHYLENEBIS(METHYL BENZOATE)

4,4'-DITHIOBIS(N-(4-CHLOROBENZYLIDENE)ANILINE)

4-NITROBENZYL BENZOATE

4-NITROPHENYL N-(4-FLUOROPHENYL)CARBAMATE

4-NITROTOLUENE-ALPHA,ALPHA-DIOL DIACETATE

4,4'-METHYLENEDIMORPHOLINE

4,4'-TRIMETHYLENEBIS(1-(2,4-DINITROPHENYL)PIPERIDINE)

4,4-DIACETYL-HEPTANEDIOIC ACID DIMETHYL ESTER

4-OXO-4-(2-THIENYL)BUTYRONITRILE

4-OXO-6-PHENYL-5-HEXENOIC ACID