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发明人杨光,郑宇鹏,冯建国. "Method for the Synthesis of Proparacaine Impurity 16" [P]. 中国发明专利, 专利号 CN 117885276 A, 授权公告日 2021-11-18.
发明人黄志刚,高志强,沈红梅. "A Process for Preparing High-Purity Proparacaine Impurity 16" [P]. 中国发明专利, 专利号 CN 109211241 A, 授权公告日 2018-06-27.
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