| 英文名称: | | 3,7-dihydro-3-methyl-1-(2-methylpropyl)-7-(5-oxohexyl)-1h-purine-6-dione | | 1-isobutyl-3-methyl-7-(5-oxohexyl)xanthine | | 3,7-dihydro-3-methyl-1-(2-methylpropyl)-7-(5-oxohexyl)-1h-purine-2,6-dio ne | | 3,7-dihydro-3-methyl-1-(2-methylpropyl)-7-(5-oxohexyl)-1h-purine-6-dione |
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