发明人罗永刚,陈志强,马晓峰. "Method for the Synthesis of 5-Amino-1-phenyl-1,5-dihydro-pyrazolo[3,4-d]pyrimidin-4-one" [P]. 中国发明专利, 专利号 CN 117665810 A, 授权公告日 2016-02-13.
发明人郑宇鹏,张德明,周伟. "A Process for Preparing High-Purity 5-Amino-1-phenyl-1,5-dihydro-pyrazolo[3,4-d]pyrimidin-4-one" [P]. 中国发明专利, 专利号 CN 114978058 B, 授权公告日 2019-06-18.
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