4'-BROMO-2'-PHENYLACETANILIDE

4'-BROMO-2-(4-CHLOROPHENYLTHIO)-3'-METHYLACETANILIDE

4'-BROMO-2,4-DICHLORO-2',6'-DIMETHYLBENZANILIDE

4'-BROMO-3'-METHYLHEXAHYDROPHTHALANILIC ACID

4'-BROMO-N-METHYLBENZENESULFONANILIDE

4'-CHLORO-2,4-DINITRODIPHENYL ETHER

4'-CHLORO-3-HYDROXY-2'-METHYL-2-NAPHTHALILIDE MONOPHOSPHATE ESTER

4'-METHYL-2'-NITROMALEANILIC ACID

4'-METHYL-3-(2-THIENYL)ACRYLOPHENONE

4-{1-[4-(2-FUROYLOXY)PHENYL]CYCLOPENTYL}PHENYL 2-FUROATE

4-((5-BROMO-1,3-DIOXO-1,3-DIHYDRO-ISOINDOL-2-YLMETHYL)-AMINO)-BENZOIC ACID

4-(2-(4-MEO-PHENYLAMINO)-3,5-DINITRO-BENZOYL)-3,4-DIHYDRO-1H-QUINOXALIN-2-ONE

4-(2-HYDROXY-1-NAPHTHYLMETHYLENEAMINO)ANTIPYRINE

4-(2-PHTHALIMIDOPHENYL)BUTYRIC ACID

4-(2,4-DIAMINO-5-(3-CHLORO-2-HO-5-NITRO-PHENYLAZO)-PHENOXY)-BENZOIC ACID, NA