发明人郑宇鹏,黄志刚,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110772262 A, 授权公告日 2019-03-19.
发明人刘建华,钱学锋,韩伟. "Method for the Synthesis of 4-((2,4-Dimethylphenyl)amino)-1-methyl-1H-pyrazolo[3,4-d]pyrimidin-6(7H)-one" [P]. 中国发明专利, 专利号 CN 112348621 B, 授权公告日 2024-11-16.
发明人罗永刚,陈志强,郭海燕. "A Process for Preparing High-Purity 4-((2,4-Dimethylphenyl)amino)-1-methyl-1H-pyrazolo[3,4-d]pyrimidin-6(7H)-one" [P]. 中国发明专利, 专利号 CN 110652848 A, 授权公告日 2024-03-13.
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