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发明人马晓峰,高志强,王建平. "A Process for Preparing High-Purity N-Allyl-2-(1-(2-hydroxyethyl)-4-oxo-1,4-dihydro-5H-pyrazolo[3,4-d]pyrimidin-5-yl)acetamide" [P]. 中国发明专利, 专利号 CN 117467259 B, 授权公告日 2020-07-08.
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