发明人冯建国,王建平,徐明华. "Method for the Synthesis of 6-Chloro-N-(4-chlorophenyl)-1-methyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine" [P]. 中国发明专利, 专利号 CN 111356651 A, 授权公告日 2025-08-21.
发明人郭海燕,张德明,孙丽萍. "A Process for Preparing High-Purity 6-Chloro-N-(4-chlorophenyl)-1-methyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine" [P]. 中国发明专利, 专利号 CN 108096255 B, 授权公告日 2018-06-25.
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