发明人王建平,朱建伟,沈红梅. "Method for the Synthesis of 2-(Difluoromethyl)-6-hydroxy-3-nitropyridine-4-carbonyl chloride" [P]. 中国发明专利, 专利号 CN 111507692 A, 授权公告日 2018-05-28.
发明人郭海燕,钱学锋,徐明华. "A Process for Preparing High-Purity 2-(Difluoromethyl)-6-hydroxy-3-nitropyridine-4-carbonyl chloride" [P]. 中国发明专利, 专利号 CN 116700733 A, 授权公告日 2018-02-27.
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