4-CL-2-(6,8-DI-CL-2-PH-2H-5-OXA-3,3A-DIAZA-CYCLOPENTA(A)NAPHTHALEN-4-YL)-PHENOL

4-FORMYL-2-METHOXYPHENYL N-(3-ACETYLPHENYL)CARBAMATE

4-Formylaminoantipyrine

4-CYANO-1-METHYLPYRIDINIUM IODIDE

4-cyano-N,N-dimethylbenzenesulfonamide

4-CYANOPHENYL N-(2-CHLOROPHENYL)CARBAMATE

4-HO-1-METHYL-2-OXO-1,2-DIHYDRO-QUINOLINE-3-CARBOXYLIC ACID N'-ACETYL-HYDRAZIDE

4-HO-2-OXO-1-PR-1,2-2H-QUINOLINE-3-CARBOXYLIC ACID (2-SULFAMOYL-PHENYL)-AMIDE

4-HO-2-OXO-1-PR-1,2-DIHYDRO-QUINOLINE-3-CARBOXYLIC ACID N'-PROPIONYL-HYDRAZIDE

4-DODECANAMIDO-3-NITROBENZENESULFONIC 2-PHENYLHYDRAZIDE

4-DODECYLSULFANYL-BUTYRIC ACID

4-ethoxy-2,2-dimethylbutanoic acid

4-ethoxy-7-[3-(4-phenyl-1-piperidinyl)propoxy]-2H-chromen-2-one hydrochloride

4-ETHOXYCARBONYL-1-METHYL-PYRIDINIUM, IODIDE

4-Ethyl-1,3-oxazolidin-2-one