7-((4-MEO-PHENOXY)ME)-1-ME-6,7-DIHYDRO(1,3)OXAZOLO(2,3-F)PURINE-2,4(1H,3H)-DIONE

7-(2,4-DICHLORO-PH)-5-P-TOLYL-4,5,6,7-4H-(1,2,4)TRIAZOLO(1,5-A)PYRIMIDINE

7-(3-BR-BZL)-3-ME-8-(N'-(3-PH-ALLYLIDENE)-HYDRAZINO)-3,7-2H-PURINE-2,6-DIONE

7-(4-CHLORO-6-DIETHYLAMINO-(1,3,5)TRIAZIN-2-YL)-3-PHENYL-CHROMEN-2-ONE

7-(4-CHLORO-BENZYLOXY)-6-HEXYL-4-PHENYL-CHROMEN-2-ONE

7-BENZYL-1,3-DIMETHYL-8-(4-METHYL-1-PIPERAZINYL)-3,7-DIHYDRO-1H-PURINE-2,6-DIONE

7-BENZYLOXY-4-METHYL-CHROMEN-2-ONE

7-BUTOXY-4-METHYL-CHROMEN-2-ONE

7-DODECYL-3-ME-8-[N'-(4-NITRO-BENZYLIDENE)-HYDRAZINO]-3,7-2H-PURINE-2,6-DIONE

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

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

7-METHYL-4-OXO-2-PHENYLAMINO-4H-PYRIDO(1,2-A)PYRIMIDINE-3-CARBALDEHYDE

7,8-DIMETHOXY-10,11-2H-4H-2-OXA-BENZO(A)CYCLOPENTA(E)CYCLOOCTENE-1,3,5-TRIONE

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

8-(4-HO-3,5-DIMETHOXY-PH)-6-ME-7,8-DIHYDRO-6H-(1,3)DIOXOLO(4,5-G)CHROMEN-6-OL