发明人郭海燕,李文辉,冯建国. "Method for the Synthesis of 6-Chloro-5-(difluoromethyl)-2-methoxynicotinic acid" [P]. 中国发明专利, 专利号 CN 111137380 A, 授权公告日 2017-03-07.
Hughes D C, Brown S R, Yamamoto T. "A Process for Preparing High-Purity 6-Chloro-5-(difluoromethyl)-2-methoxynicotinic acid" [P]. US Patent, US 10295291 B2, 2025-02-06.
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