发明人郑宇鹏,罗永刚,钱学锋. "Method for the Synthesis of 1-(2,3-Dimethylphenyl)-1H-pyrazolo[3,4-d]pyrimidine-4-thiol" [P]. 中国发明专利, 专利号 CN 116598748 A, 授权公告日 2023-07-27.
发明人林芳,孙丽萍,李文辉. "A Process for Preparing High-Purity 1-(2,3-Dimethylphenyl)-1H-pyrazolo[3,4-d]pyrimidine-4-thiol" [P]. 中国发明专利, 专利号 CN 111898730 A, 授权公告日 2017-12-20.
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