英文名称: | 1h-pyrazolo(3,4-d)pyrimidine-4,6(5h,7h)-dione, 5-butyl-3-(methylamino)-7-(2-((p | henylmethyl) amino)ethyl)- | 5-butyl-3-methylamino-7-(2-benzylaminoethyl)pyrazolo(3,4-d)pyrimidine-4, 6(5h | 4-d)pyrimidine-4,6(5h,7h)-dione,5-butyl-3-(methylamino)-7-(2-((phenylmethyl) amino)ethyl)-1h-pyrazolo( |
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