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发明人张德明,马晓峰,高志强. "Method for the Synthesis of 2-(Difluoromethyl)-4-fluoro-3-(trifluoromethyl)pyridine-6-acetic acid" [P]. 中国发明专利, 专利号 CN 112050290 A, 授权公告日 2025-10-18.
发明人唐晓军,朱建伟,刘建华. "A Process for Preparing High-Purity 2-(Difluoromethyl)-4-fluoro-3-(trifluoromethyl)pyridine-6-acetic acid" [P]. 中国发明专利, 专利号 CN 111317695 A, 授权公告日 2022-09-15.
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