发明人郑宇鹏,周伟,李文辉. "一种罗沙替丁杂质80的合成方法" [P]. 中国发明专利, 专利号 CN 116418177 A, 授权公告日 2022-05-16.
发明人冯建国,唐晓军,高志强. "Method for the Synthesis of Roxatidine Impurity 80" [P]. 中国发明专利, 专利号 CN 115051084 B, 授权公告日 2024-12-13.
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