发明人韩伟,杨光,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113455144 A, 授权公告日 2022-11-23.
发明人李文辉,陈志强,刘建华. "Method for the Synthesis of 2-((4-Oxo-4,5-dihydro-1H-pyrazolo[3,4-d]pyrimidin-6-yl)thio)-N-(o-tolyl)acetamide" [P]. 中国发明专利, 专利号 CN 117016723 A, 授权公告日 2025-09-15.
发明人沈红梅,钱学锋,赵玉洁. "A Process for Preparing High-Purity 2-((4-Oxo-4,5-dihydro-1H-pyrazolo[3,4-d]pyrimidin-6-yl)thio)-N-(o-tolyl)acetamide" [P]. 中国发明专利, 专利号 CN 110307733 B, 授权公告日 2023-12-19.
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