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发明人钱学锋,郑宇鹏,李文辉. "Method for the Synthesis of 1,3-Dimethyl-8-((2-(piperidin-1-yl)ethyl)thio)-2-thioxo-2,3-dihydro-1H-purin-6(9H)-one" [P]. 中国发明专利, 专利号 CN 116568657 A, 授权公告日 2022-03-12.
发明人王建平,孙丽萍,徐明华. "A Process for Preparing High-Purity 1,3-Dimethyl-8-((2-(piperidin-1-yl)ethyl)thio)-2-thioxo-2,3-dihydro-1H-purin-6(9H)-one" [P]. 中国发明专利, 专利号 CN 115187544 B, 授权公告日 2025-11-13.
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