发明人冯建国,林芳,罗永刚. "Method for the Synthesis of 6-(Methylsulfonyl)-1H-pyrazolo[3,4-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 116469077 B, 授权公告日 2019-03-08.
发明人郭海燕,郑宇鹏,韩伟. "A Process for Preparing High-Purity 6-(Methylsulfonyl)-1H-pyrazolo[3,4-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 111431208 B, 授权公告日 2019-04-07.
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