4-(3,7-DI-ACO-12-HO-10,13-DI-ME-CYCLOPENTA(A)PHENANTHREN-17-YL)-PENTANOIC ACID

4-(4-BROMO-BENZYLIDENE)-2-PHENYL-4H-OXAZOL-5-ONE

4-(4-CHLOROPHENYL)-4-HYDROXY-2-IMINOTHIAZOLIDINE HYDROBROMIDE

4-(4-SULFAMOYLPHENYL)-3-THIOSEMICARBAZIDE

4-(5-(4-BROMO-PHENYL)-1-PHENYL-4,5-DIHYDRO-1H-PYRAZOL-3-YL)-PYRIDINE

4-(BENZYLAMINO)-4-METHYL-2-PENTANOL

4-(BIPHENYL-4-YLOXY)-PHTHALONITRILE

4-(BUTOXYCARBONYL)PHENYL N-(4-METHYL-2-NITROPHENYL)CARBAMATE

4-(DIMETHYLAMINO)-4'-ETHYL-2-METHYLAZOBENZENE

4-(DIMETHYLAMINO)-N-(4-METHYL-3-NITROPHENYL)BENZYLAMINE

4-(METHYLTHIO)PHENYL N-(2,5-XYLYL)CARBAMATE

4-(MORPHOLINOIMINOMETHYL)RESORCINOL

4-(N-(4-CHLOROPHENYL)CARBAMOYL)-2,6-DIMETHYLMORPHOLINE

4-Acetamidocinnamic acid

4-ACETAMIDOPHENYL N-(3-FLUOROPHENYL)CARBAMATE