4'-ACETAMIDO-2-CHLOROBENZANILIDE

4'-ACETAMIDO-4-BROMO-2'-METHOXYBUTYRANILIDE

4'-HYDROXY-5'-ISOPROPYL-2'-METHYLACETOPHENONE

4'-IODO-2,4-DINITRODIPHENYLAMINE

4′-Methoxybiphenyl-4-carboxylic acid

4'-BROMO-2-(4-NITROPHENYLTHIO)ACETOPHENONE

4'-BROMO-2,2'-CHLOROACETANILIDE

4'-BROMO-3'-METHYLPHTHALANILIC ACID

4'-BROMO-N-CYANO-P-TOLUENESULFONANILIDE

4',5'-DIMETHYL-2'-NITROACETANILIDE

4',6'-DIPHENYL-3,4,5,6-TETRAHYDRO-2H-(1,2')BIPYRIDINYL-3'-CARBONITRILE

4'-CHLORO-3-HYDROXY-2-NAPHTHANILIDE

4'-CHLORO-6'-NITRO-M-ACETOTOLUIDIDE

4'-CHLOROHEXANOPHENONE

4-{[(2E)-2-(2-ETHOXY-1-METHYL-2-OXOETHYLIDENE)HYDRAZINO]CARBONYL}-1-(2-OXO-2-PHENYLETHYL)PYRIDINIUM BROMIDE