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发明人冯建国,林芳,徐明华. "Method for the Synthesis of Acetyl 2-[(2-Formamide-1,6-dihydro-6-chloro-9H-purin-9yl)methoxy]ethyl Ester" [P]. 中国发明专利, 专利号 CN 115449157 A, 授权公告日 2025-01-25.
发明人王建平,沈红梅,罗永刚. "A Process for Preparing High-Purity Acetyl 2-[(2-Formamide-1,6-dihydro-6-chloro-9H-purin-9yl)methoxy]ethyl Ester" [P]. 中国发明专利, 专利号 CN 116561107 A, 授权公告日 2020-08-04.
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