4-[1-(4-AMINOPHENYL)CYCLOHEXYL]PHENYLAMINE

4-(((4-(1-NAPHTHYLMETHYL)-1-PIPERAZINYL)IMINO)METHYL)-1,2-BENZENEDIOL

4-(2-NITRO-PHENYLSULFANYLAMINO)-BENZOIC ACID METHYL ESTER

4-(3,4-DIMETHOXY-PHENYL)-4-OXO-BUTYRIC ACID

4-(5,6-DICHLORO-1,3-DIOXO-1,3-DIHYDRO-ISOINDOL-2-YL)-BENZOIC ACID

4-(ALPHA-ANILINOBENZYLIDENE)-3-METHYL-1-PHENYL-2-PYRAZOLIN-5-ONE

4-(HYDROXYAMINO)-5-METHYL-2-PHENYL-2,4-DIHYDRO-3H-PYRAZOL-3-ONE

4-AMINO-4-(METHOXYMETHYL-AMINO)-BUTYRIC ACID

4-BROMO-2-[(E)-({4-[(4-{[(E)-(5-BROMO-2-HYDROXYPHENYL)METHYLIDENE]AMINO}PHENYL)SULFONYL]PHENYL}IMINO)METHYL]PHENOL

4-BUTOXY-N-(3-CYANOPYRIMIDO(1,2-A)BENZIMIDAZOL-2-YL)-3-METHOXYBENZAMIDE

4-CL-BENZENESULFONIC ACID 6-BR-1,3-DIOXO-1H,3H-BENZO(DE)ISOQUINOLIN-2-YL ESTER

4-DIETHYLAMINO-2,6-DIPHENYL-PYRANYLIUM, FLUORO-SULFATE

4-ISOPROPYL-2-P-TOLYL-1,9B-DIHYDRO-5-OXA-3,3A-DIAZA-CYCLOPENTA(A)NAPHTHALENE

4-METHYL-BENZOIC ACID (2-OXO-1,2-DIHYDRO-INDOL-3-YLIDENE)-HYDRAZIDE

4-MORPHOLIN-4-YL-2-P-TOLYL-QUINOLINE