4-(2,3-DIHYDRO-1H-PERIMIDIN-2-YL)-BENZOIC ACID METHYL ESTER

4-(2,4-DICHLORO-PHENOXY)-N-(2,5-DIMETHYL-PHENYL)-BUTYRAMIDE

4-(2,4-DIMETHYL-PHENYL)-THIAZOL-2-YLAMINE

4-(2,5-DIMETHOXY-BENZYLIDENE-HYDRAZINOCARBONYL)-1-(2-OXO-2-PH-ET)-PYRIDINIUM, CL

4-(3,4-DIMETHOXY-PH)-2-P-TOLYL-1,9B-2H-5-OXA-3,3A-DIAZA-CYCLOPENTA(A)NAPHTHALENE

4-(4-BR-PH)-5-CYANO-2,6-DIMETHYL-1,4-2H-PYRIDINE-3-CARBOXYLIC ACID METHYL ESTER

4-(4-BROMO-PHENYL)-6-TRIFLUOROMETHYL-PYRIMIDIN-2-YLAMINE

4-(4,4,5,5-TETRAMETHYL-(1,3)DIOXOLAN-2-YL)-PHENOL

4-(5-(4-OXO-2-THIOXO-THIAZOLIDIN-5-YLIDENEMETHYL)-FURAN-2-YL)-BENZOIC ACID

4-(7-HYDROXY-4-METHYL-2-OXO-2H-CHROMEN-6-YLAZO)-BENZOIC ACID

4-(BENZYLOXY)-2-CHLOROBENZOIC ACID

4-ALPHA,5-EPOXY-5-ALPHA-ANDROSTAN-3-ONE

4-AMINO-1-(2-ISOPROPYL-5-METHYLCYCLOHEXYL)-3,5-DIMETHYL-4H-1,2,4-TRIAZOL-1-IUM 2-AMINO-4-NITROBENZENESULFONATE

4-BENZOYL-1-(2-(2-NITROPHENYL)-2-OXOETHYL)PYRIDINIUM BROMIDE

4-BIPHENYL-4-YL-2-(4-METHOXY-PHENYL)-6-PHENYL-PYRANYLIUM, TETRAFLUORO BORATE