发明人罗永刚,钱学锋,黄志刚. "Method for the Synthesis of 3-Bromo-6-((4-hydroxypiperidin-4-yl)methyl)-2-methyl-2,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one" [P]. 中国发明专利, 专利号 CN 116973961 A, 授权公告日 2023-06-16.
发明人韩伟,林芳,陈志强. "A Process for Preparing High-Purity 3-Bromo-6-((4-hydroxypiperidin-4-yl)methyl)-2-methyl-2,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one" [P]. 中国发明专利, 专利号 CN 108815148 A, 授权公告日 2023-10-03.
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