发明人马晓峰,何建平,郑宇鹏. "Method for the Synthesis of 4-(Difluoromethyl)-5-fluoro-3-nitropicolinic acid" [P]. 中国发明专利, 专利号 CN 109555399 B, 授权公告日 2021-08-26.
发明人徐明华,何建平,唐晓军. "A Process for Preparing High-Purity 4-(Difluoromethyl)-5-fluoro-3-nitropicolinic acid" [P]. 中国发明专利, 专利号 CN 108477923 B, 授权公告日 2025-10-16.
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