4,4,4-TRIFLUOROBUTYRYL BROMIDE

4,4,8-TRIMETHYL-4,5-DIHYDRO-2,3-DITHIA-5-AZA-CYCLOPENTA(A)NAPHTHALENE-1-THIONE

4,5-BIS-(PIPERIDIN-4-YLOXY)-PHTHALONITRILE

4,5-bis(4-methoxyphenyl)-1,3-oxazol-2(3H)-one

4,5-DIBROMO-2-NITROBENZOIC ACID

4,5-DICHLORO-N-ETHYL-2-NITROANILINE

4,5-DIHYDRO-1H-BENZO(G)INDAZOLE-3-CARBOXYLIC ACID (2-HO-BENZYLIDENE)-HYDRAZIDE

4,5-Dihydro-2H-benzo[g]indazole

4-PHENYLACETYLAMINO-BENZOIC ACID CYCLOHEXYL ESTER

4-Phenyltetrahydro-2H-pyran-4-amine hydrochloride

4-PIPERIDIN-1-YL-2-PYRIDIN-2-YL-QUINOLINE, DI-HYDROBROMIDE

4-PROPYL-2-P-TOLYL-1,9B-DIHYDRO-5-OXA-3,3A-DIAZA-CYCLOPENTA(A)NAPHTHALENE

4,5-DIPHENYL-1H-BENZOIMIDAZOLE

4,5-DIPHENYL-3H-OXAZOL-2-ONE

4,5,6,7-4H-1H-INDAZOLE-3-CARBOXYLIC ACID (4-FLUORO-BENZYLIDENE)-HYDRAZIDE