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28557-26-8 7,8-Dihydro-1,3-dimethyl-8-(m-tolyl)-1H-imidazo[2,1-f]purine-2,4(3H,6H)-dione

85615-11-8 8-(2-hydroxyethyl)-1-methyl-7-phenyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione

213273-27-9 9-[3-(Hydroxymethyl)-4-(isopropoxycarbonyloxy)butyl]purine-2-amine

4063-64-3 1h-[1,2,4]triazolo[3,4-i]purine

105774-51-4 (3E)-1-ethyl-3-(3-hydroxy-4-oxocyclohexa-2,5-dien-1-ylidene)-9-methyl-1,2,3,4-tetrahydro[1,2,4]triazino[3,4-f]purine-6,8(7H,9H)-dione

105774-53-6 1-ethyl-9-methyl-3-thiophen-2-yl-1,4-dihydro[1,2,4]triazino[3,4-f]purine-6,8(7H,9H)-dione

697218-03-4 7H-[1,3]THIAZINO[3,2-E]PURINE,8-ETHYL-8,9-DIHYDRO-

106087-38-1 3-(4-ethylphenyl)-9-methyl-1,4-dihydro[1,2,4]triazino[3,4-f]purine-6,8(7H,9H)-dione

529483-72-5 3H-Imidazo[2,1-b]purine-2-carboxamide,3-[(3-chloro-4-methoxyphenyl)methyl]-5-ethyl-4,5,7,8-tetrahydro-4-oxo-7-(phenylmethyl)-, (7R)-

178452-81-8 1-methyl-3-(2-oxo-2-piperidin-1-ylethyl)-6,7-dihydro[1,3]thiazolo[2,3-f]purine-2,4(1H,3H)-dione

85592-18-3 8-(2-hydroxyethyl)-3-(2-hydroxypropyl)-1-methyl-7-phenyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione

80900-25-0 7,8,9,10,17,18-hexahydro-12H,16H-11,15-methano[1,4,9,13]thiatriazacyclohexadecino[4,3,2-gh]purine-12,20-dione

50507-42-1 1,3-dimethyl-7-[2-[methyl(pyridin-3-ylmethyl)amino]ethyl]purine-2,6-dione;hydrochloride

389090-49-7 Spiro[cyclohexane-1,2'-[2H]purine]-6'-carboxamide,1',7',8',9'-tetrahydro-8'-oxo-9'-phenyl-

105774-54-7 9-methyl-1-phenyl-3-thiophen-2-yl-1,4-dihydro[1,2,4]triazino[3,4-f]purine-6,8(7H,9H)-dione

773787-37-4 3H-Imidazo[2,1-i]purine,7,8-dihydro-

358968-43-1 [1,2,4]Triazino[3,4-f]purine-4,6,8(1H,7H,9H)-trione, 7,9-dimethyl-

50978-39-7 1,3-dimethyl-7-[2-[methyl(pyridin-2-yl)amino]ethyl]purine-2,6-dione;pyridine-3-carboxylic Acid

85592-03-6 1-methyl-7-phenyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione

802328-96-7 1H-Imidazo[1,2-a]purine-2(3H)-thione,6,7-dihydro-3,9-dimethyl-