发明人陈志强,郑宇鹏,朱建伟. "Method for the Synthesis of 5-Amino-1-(3-fluoro-4-methylphenyl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one" [P]. 中国发明专利, 专利号 CN 108229132 A, 授权公告日 2018-08-28.
发明人杨光,张德明,何建平. "A Process for Preparing High-Purity 5-Amino-1-(3-fluoro-4-methylphenyl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one" [P]. 中国发明专利, 专利号 CN 115910074 A, 授权公告日 2022-03-13.
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