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

4-DODECYL-1-(PHENACETYL)-3-THIOSEMICARBAZIDE

4-ETHOXY-2',3',4',5',6'-PENTAFLUOROBENZOPHENONE

4-ETHOXY-4-(P-TOLYL)-BUTYRONITRILE

4-ETHOXYCARBONYL-1-METHYL-PYRIDINIUM, IODIDE

4-Ethyl-2-(1-phenyl-1H-pyrazol-5-yl)phenol

4-HYDROXYMETHYL-4-METHYL-2-OXAZOLIDINONE

4-fluoro-N-(2,2,2-tribromo-1-hydroxyethyl)benzamide

4-FLUOROBENZALDEHYDE N-PHENYLTHIOSEMICARBAZONE

4-FLUORODITHIOCARBANILIC ACID, AMMONIUM SALT

4-FLUOROPHENYL N-METHYLCARBAMATE

4-Formylphenyl butyrate

4-HO-7-MEO-1-(3-METHOXY-PHENYL)-NAPHTHALENE-2-CARBOXYLIC ACID TERT-BUTYL ESTER

4-HYDROXY-1-METHYL-2-OXO-1,2-DIHYDRO-QUINOLINE-3-CARBOXYLIC ACID DECYLAMIDE

4-HYDROXY-1(2H)-PHTHALAZINONE, SILVER SALT