发明人林芳,唐晓军,张德明. "Method for the Synthesis of 2-(2-Bromo-5-cyano-4-(difluoromethyl)pyridin-3-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 112778192 B, 授权公告日 2022-11-24.
发明人刘建华,郭海燕,郑宇鹏. "A Process for Preparing High-Purity 2-(2-Bromo-5-cyano-4-(difluoromethyl)pyridin-3-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 115659372 A, 授权公告日 2025-05-13.
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