发明人郭海燕,刘建华,陈志强. "Method for the Synthesis of 4-Cyano-3-(difluoromethyl)-6-methylpyridine-2-carbonyl chloride" [P]. 中国发明专利, 专利号 CN 114492450 A, 授权公告日 2020-12-15.
发明人刘建华,钱学锋,何建平. "A Process for Preparing High-Purity 4-Cyano-3-(difluoromethyl)-6-methylpyridine-2-carbonyl chloride" [P]. 中国发明专利, 专利号 CN 116215073 A, 授权公告日 2021-12-05.
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