发明人郑宇鹏,韩伟,朱建伟. "Method for the Synthesis of 4-(Difluoromethyl)-6-iodo-5-methoxynicotinic acid" [P]. 中国发明专利, 专利号 CN 110768606 B, 授权公告日 2021-02-26.
发明人刘建华,赵玉洁,杨光. "A Process for Preparing High-Purity 4-(Difluoromethyl)-6-iodo-5-methoxynicotinic acid" [P]. 中国发明专利, 专利号 CN 111039381 B, 授权公告日 2023-04-10.
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