4'-CHLORO-3',5'-DIMETHOXYISOBUTYRANILIDE

4'-METHYL-2'-NITROMALEANILIC ACID

4'-METHYL-O-TOLUANILIDE

4-((2-HYDROXY-5-METHOXY-BENZYLIDENE)-AMINO)-BENZOIC ACID

4-(2-(2,4-DINITRO-PHENYL)-VINYL)-MORPHOLINE

4-(2-HYDROXY-6-(TRIMETHYLSILYL)-1-NAPHTHYLAZO)BENZOIC ACID

4-(2-PROPYN-1-YLTHIO)-2,3,5,6-TETRACHLOROPYRIDINE

4-(2,4-DIFLUOROPHENYL)-1-(2,4-DINITROPHENYL)-1-METHYLSEMICARBAZIDE

4-(2,4-DIPENTYL-PHENOXY)-BUTYRAMIDE

4-(3-(DIMETHYLAMINO)PROPYLAMINO)1METHYL-1H-PYRAZOLO(3,4-B)QUINOLINE TRIPHOSPHATE

4-(3-BENZYLOXY-2-PROPIONYLOXY-PROPYL)-4-METHYL-MORPHOLIN-4-IUM, IODIDE

4-(3,4-DICHLOROPHENYLIMINOMETHYL)-2-METHOXYPHENYL N-(3-CHLOROPHENYL)CARBAMATE

4-(4-{[4-(3,4-DIMETHYLPHENOXY)PHENYL]SULFONYL}PHENOXY)-1,2-DIMETHYLBENZENE

4-(4-BROMOBENZYLIDENEAMINO)-4H-1,2,4-TRIAZOLE

4-(4-SULFAMOYLPHENYL)-3-THIOSEMICARBAZIDE