发明人张德明,周伟,林芳. "Method for the Synthesis of 2-Bromo-6-(difluoromethyl)-3-(trifluoromethyl)isonicotinic acid" [P]. 中国发明专利, 专利号 CN 109066893 A, 授权公告日 2015-03-28.
发明人徐明华,韩伟,赵玉洁. "A Process for Preparing High-Purity 2-Bromo-6-(difluoromethyl)-3-(trifluoromethyl)isonicotinic acid" [P]. 中国发明专利, 专利号 CN 110566321 B, 授权公告日 2019-04-15.
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