发明人孙丽萍,高志强,唐晓军. "Method for the Synthesis of 4-Amino-6-chloro-2-(difluoromethyl)nicotinoyl chloride" [P]. 中国发明专利, 专利号 CN 113150808 A, 授权公告日 2021-02-07.
发明人赵玉洁,郑宇鹏,黄志刚. "A Process for Preparing High-Purity 4-Amino-6-chloro-2-(difluoromethyl)nicotinoyl chloride" [P]. 中国发明专利, 专利号 CN 115040887 A, 授权公告日 2016-10-09.
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