发明人韩伟,刘建华,陈志强. "Method for the Synthesis of 4-Chloro-6-(difluoromethyl)-5-fluoronicotinic acid" [P]. 中国发明专利, 专利号 CN 111412650 A, 授权公告日 2019-02-19.
发明人赵玉洁,林芳,陈志强. "A Process for Preparing High-Purity 4-Chloro-6-(difluoromethyl)-5-fluoronicotinic acid" [P]. 中国发明专利, 专利号 CN 111336892 A, 授权公告日 2022-11-26.
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