4'-Fluorovalerophenone

4'-HYDROXYNONANANILIDE

4'-IODOMALEANILIC ACID

4'-METHOXY-2,2',4-TRICHLOROBENZANILIDE

4'-METHOXY-4-NITRO-2,3,5-TRIPHENYLBIPHENYL

4'-METHYL-2-(P-TOLYLSULFONYL)ACETOPHENONE

4'-METHYL-3'-NITROPHTHALANILIC ACID

4'-METHYL-4-NITROCHALCONE

4'-METHYLVALEROPHENONE

4-[(E)-({[(3-BROMOBENZOYL)AMINO]ACETYL}HYDRAZONO)METHYL]-2-METHOXYPHENYL 2,4-DICHLOROBENZOATE

4-[(E)-({[(3,4-DIMETHOXYBENZOYL)AMINO]ACETYL}HYDRAZONO)METHYL]-2-ETHOXYPHENYL 2,4-DICHLOROBENZOATE

4-[(E)-(2-{2-OXO-2-[(5-PHENYL-1,3,4-THIADIAZOL-2-YL)AMINO]ACETYL}HYDRAZONO)METHYL]PHENYL 2-THIOPHENECARBOXYLATE

4-[(E)-(4-{[2-(diisopropylamino)ethyl]amino}-1-naphthyl)diazenyl]benzenesulfonic acid hydrochloride

4-[(E)-(4-ethoxyphenyl)diazenyl]-1,3-benzenediamine hydrochloride

4-{[1H-indol-3-yl(oxo)acetyl]amino}benzoic acid