发明人郭海燕,孙丽萍,郑宇鹏. "Method for the Synthesis of n-Carbamoyl-2-((4-(difluoromethoxy)phenyl)amino)acetamide" [P]. 中国发明专利, 专利号 CN 111791622 B, 授权公告日 2022-08-16.
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