发明人郭海燕,孙丽萍,周伟. "Method for the Synthesis of 2-(Difluoromethyl)-4-fluoro-3-hydroxy-5-nitropyridine" [P]. 中国发明专利, 专利号 CN 112632783 A, 授权公告日 2025-04-16.
发明人唐晓军,冯建国,胡光. "A Process for Preparing High-Purity 2-(Difluoromethyl)-4-fluoro-3-hydroxy-5-nitropyridine" [P]. 中国发明专利, 专利号 CN 109212305 A, 授权公告日 2019-09-17.
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