发明人钱学锋,徐明华,郑宇鹏. "Method for the Synthesis of 2-(Aminomethyl)-5-chloro-4-(difluoromethyl)pyridine-3-acetic acid" [P]. 中国发明专利, 专利号 CN 113065608 A, 授权公告日 2017-07-07.
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