发明人林芳,韩伟,郭海燕. "Method for the Synthesis of 4-Methyl-1-phenyl-1H-pyrazolo[3,4-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 110878136 B, 授权公告日 2022-05-27.
发明人钱学锋,黄志刚,冯建国. "A Process for Preparing High-Purity 4-Methyl-1-phenyl-1H-pyrazolo[3,4-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 114262975 B, 授权公告日 2023-04-24.
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