发明人马晓峰,周伟,沈红梅. "Method for the Synthesis of 1-Methyl-4-phenyl-1H-pyrazolo[3,4-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 113279569 B, 授权公告日 2016-08-28.
发明人郭海燕,张德明,陈志强. "A Process for Preparing High-Purity 1-Methyl-4-phenyl-1H-pyrazolo[3,4-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 115112942 B, 授权公告日 2016-05-13.
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