1H-Purine-6, 8-dione, 7, 9-dihydro-

1H-Purine-6-carboxylic acid

1H-Purine-6-sulfinic acid, monosodium salt

1H-Purine-7-acetamide, 2, 3, 6, 7-tetrahydro-N-cyclohexyl-N-((cylohexylamino)carbonyl)-3, 7-dimethyl-2, 6-dioxo-

1H-Purinium, 2-amino-7-(2-bromoethyl-1, 2-d2)-6, 9-dihydro-6-oxo-9-beta-D-ribofuranosyl-

1H-Purinium, 2-amino-7-(2-chloroethyl-2, 2-d2)-6, 9-dihydro-6-oxo-9-beta-D-ribofuranosyl-

1H-Purinium, 2-amino-7-(benzo(a)pyren-6-ylmthyl)-6, 9-dihydro-6-oxo-9-beta-D-ribofuranosyl-, inner salt

1H-Purinium, 2-amino-9-(2-deoxy-beta-D-erythro-pentofuranosyl)-6, 9-dihydro-7-(2-hydroxyethyl)-6-oxo-

1H-Pyrano(3', 4':6, 7)indolizino(1, 2-b)quinoline-11-carboxaldehyde, 4-ethyl-3, 4, 12, 14-tetrahydro-4-hydroxy-3, 14-dioxo-, (S)-

1H-Pyrano(3', 4':6, 7)indolizino(1, 2-b)quinoline-3, 14(4H, 12H)-dione, 12-(acetyloxy)-4-ethyl-4-hydroxy-

1H-Pyrano(3', 4':6, 7)indolizino(1, 2-b)quinoline-3, 14(4H, 12H)-dione, 4-ethyl-4, 12-dihydroxy-

1H-Pyrano(3', 4':6, 7)indolizino(1, 2-b)quinoline-3, 14(4H, 12H)-dione, 4-ethyl-4-hydroxy-, sodium salt, (S)-

1H-Pyrano(3', 4':6, 7)indolizino(1, 2-b)quinoline-3, 14(4H, 12H)-dione, 4-ethyl-4-hydroxy-12-methyl-

1H-Pyrano(3', 4':6, 7)indolizino(1, 2-b)quinoline-3, 14(4H, 12H)-dione, 9-amino-4-ethyl-4-hydroxy-

1H-Pyrano(3', 4':6, 7)indolizino(1, 2-b)quinoline-3, 14(4H, 12H)-dione, 9-chloro-4-ethyl-4-hydroxy-

1H-Pyrano(3, 4-c)pyridine-5-carbonitrile, 2, 3, 5, 6-tetrahydro-3, 3-dimethyl-8-(1-piperazinyl)-6-thioxo-

1H-Pyrazino(1, 2-a)quinoline, 2, 3, 4, 4a, 5, 6-hexahydro-, dihydrochloride

1H-Pyrazino(1, 2-a)quinoline, 2, 3, 4, 4a, 5, 6-hexahydro-3-(2-(1-naphthyl)ethyl)-, hydrochloride

1H-Pyrazino(1, 2-a)quinoline, 2, 3, 4, 4a, 5, 6-hexahydro-3-(2-(p-fluorobenzoyl)ethyl)-, dihydrochloride

1H-Pyrazino(1, 2-a)quinoline, 2, 3, 4, 4a, 5, 6-hexahydro-3-(2-(p-fluorophenacyl)ethyl)-, dihydrochloride