发明人刘建华,马晓峰,沈红梅. "Method for the Synthesis of 4-Amino-1-methyl-1H-pyrazolo[3,4-d]pyrimidine-3-carboxamide" [P]. 中国发明专利, 专利号 CN 111204347 A, 授权公告日 2022-09-07.
发明人钱学锋,刘建华,朱建伟. "A Process for Preparing High-Purity 4-Amino-1-methyl-1H-pyrazolo[3,4-d]pyrimidine-3-carboxamide" [P]. 中国发明专利, 专利号 CN 116416794 A, 授权公告日 2021-08-22.
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