4-(SEMICARBAZIDOSULFONYL)ACETANILIDE

4-(TERT-BUTYL)-PHENYL BENZOATE

4-(TERT.-PENTYL)-CYCLOHEXANONE

4-(TOLUENE-4-SULFONYLAMINO)-BUTYRIC ACID

4-(trifluoroacetyl)morpholine

4-(Trifluoromethyl)cyclohexanol

4-ACETYL-1-(4-CHLORO-2-METHYLPHENYL)-2,3,5-PYRROLIDINETRIONE

4-Acetyl-5,6-bis(4-chlorophenyl)-2-(2-hydroxyethyl)-3(2H)-pyridazinone

4-ACETYLPHENYL BENZOATE

4-ADAMANTAN-1-YL-2,6-DIMETHYL-PYRANYLIUM, PERCHLORATE

4-ALLYL-2-METHOXYPHENYL N-(4-(ETHOXYCARBONYL)PHENYL)CARBAMATE

4-Allyl-5-(2-chlorophenyl)-4H-1,2,4-triazole-3-thiol

4-Allyl-6-(2-amino-5-methylthiazol-4-yl)-2H-benzo[b][1,4]oxazin-3(4H)-one

4-(Dimethylamino)-N′-{(E)-[4-(dimethylamino)phenyl]methylidene}benzohydrazide

4-(DIMETHYLAMINO)CHALCONE