发明人马晓峰,周伟,黄志刚. "Method for the Synthesis of 3-Chloro-1-methyl-1H-pyrazolo[3,4-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 109149817 A, 授权公告日 2017-02-12.
发明人郑宇鹏,李文辉,唐晓军. "A Process for Preparing High-Purity 3-Chloro-1-methyl-1H-pyrazolo[3,4-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 112381853 A, 授权公告日 2017-05-08.
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