8-(Isopropylsulfanyl)-1,3,7-trimethyl-3,7-dihydro-1H-purine-2,6-dione

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

8-(N'-SEC-BUTYLIDENE-HYDRAZINO)-3-METHYL-7-NONYL-3,7-DIHYDRO-PURINE-2,6-DIONE

8-ALLYLSULFANYL-7-ISOPROPYL-3-METHYL-3,7-DIHYDRO-PURINE-2,6-DIONE

8-BR-2-FURAN-2-YL-4(4-NITRO-PH)1,9B-2H-5-OXA-3,3A-DIAZA-CYCLOPENTA(A)NAPHTHALENE

8-BR-4-(3-CL-PH)-2-PHENYL-1,9B-DIHYDRO-5-OXA-3,3A-DIAZA-CYCLOPENTA(A)NAPHTHALENE

8-BR-4-CYCLOHEXYL-2-P-TOLYL-1,9B-2H-5-OXA-3,3A-DIAZA-CYCLOPENTA(A)NAPHTHALENE

8-BR-7-(4-CL-BZL)-1-(3-CHLORO-BUT-2-ENYL)-3-METHYL-3,7-DIHYDRO-PURINE-2,6-DIONE

8-Bromo-2-chloroquinoline

8-BROMO-3,4-DIHYDRO-1-BENZOXEPIN-5(2H)-ONE

8-Bromo-6-chloro-4-hydroxycoumarin

8-BROMOXANTHOSINE

8-Chloro-1-(chloromethyl)-6-phenyl-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepine

8-CL-4,4-DI-ME-2-THIOPHEN-2-YL-1,9B-2H-5-OXA-3,3A-DIAZA-CYCLOPENTA(A)NAPHTHALENE

8-DECYLSULFANYL-3-METHYL-7-NONYL-3,7-DIHYDRO-PURINE-2,6-DIONE