7-(3-CHLORO-BUT-2-ENYL)-3-METHYL-8-PIPERIDIN-1-YL-3,7-DIHYDRO-PURINE-2,6-DIONE

7-(4-CHLORO-BENZYL)-8-ETHYLSULFANYL-3-METHYL-3,7-DIHYDRO-PURINE-2,6-DIONE

7-(4-CL-BENZYL)-8-(2-HO-ETHYLSULFANYL)-3-METHYL-3,7-DIHYDRO-PURINE-2,6-DIONE

7-BENZYL-3-METHYL-8-(3-METHYL-BUTYLSULFANYL)-3,7-DIHYDRO-PURINE-2,6-DIONE

7-BENZYLOXY-3-PHENOXY-CHROMEN-4-ONE

7-BETA-NITRO-5-ALPHA-CHOLESTANE

7-BUTYL-3-ME-8-(N'-(3-PHENYL-ALLYLIDENE)-HYDRAZINO)-3,7-DIHYDRO-PURINE-2,6-DIONE

7-ETHOXY-2,8-DIMETHYL-3-(4-NITRO-PHENOXY)-CHROMEN-4-ONE

7-ETHOXY-6-ETHYL-4-METHYL-CHROMEN-2-ONE

7-HEXADECYL-3-ME-8-(N'-(1-PH-BUTYLIDENE)-HYDRAZINO)-3,7-DIHYDRO-PURINE-2,6-DIONE

7-METHOXY-3-(2-METHYL-THIAZOL-4-YL)-CHROMEN-4-ONE

7-NAPHTHALEN-2-YL-OCTANE-2,4-DIONE

7,8,8-TRIMETHYL-3-TRIFLUOROMETHYL-4,5,6,7-TETRAHYDRO-2H-4,7-METHANO-INDAZOLE

8-{(2Z)-2-[1-(4-BROMOPHENYL)ETHYLIDENE]HYDRAZINO}-7-(2-HYDROXY-3-PHENOXYPROPYL)-3-METHYL-3,7-DIHYDRO-1H-PURINE-2,6-DIONE

8-(4-BENZYL-1-PIPERAZINYL)-7-(2-METHOXY-ET)-3-ME-3,7-DIHYDRO-1H-PURINE-2,6-DIONE