英文名称: | 1h-pyrazolo(3,4-d)pyrimidine-4,6(5h,7h)-dione, 5-butyl-3-(methylamino)-7-((4-ni | 4-d)pyrimidine-4,6(5h, 7h)-5-butyl-3-methylamino-7-(4-nitrobenzyl)pyrazolo( | 4-d)pyrimidine-4,6(5h,7h)-dione,5-butyl-3-(methylamino)-7-((4-nitrophenyl) methyl)-1h-pyrazolo( |
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