发明人刘建华,林芳,王建平. "Method for the Synthesis of 1-(Hydroxymethyl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one" [P]. 中国发明专利, 专利号 CN 116682809 A, 授权公告日 2022-08-08.
发明人朱建伟,杨光,刘建华. "A Process for Preparing High-Purity 1-(Hydroxymethyl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one" [P]. 中国发明专利, 专利号 CN 109016752 B, 授权公告日 2016-04-01.
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