发明人李文辉,郭海燕,孙丽萍. "Method for the Synthesis of 2-(Difluoromethyl)-4-hydroxy-3-methylpyridine-5-carboxaldehyde" [P]. 中国发明专利, 专利号 CN 113804166 A, 授权公告日 2023-06-10.
发明人唐晓军,韩伟,李文辉. "A Process for Preparing High-Purity 2-(Difluoromethyl)-4-hydroxy-3-methylpyridine-5-carboxaldehyde" [P]. 中国发明专利, 专利号 CN 108651155 B, 授权公告日 2020-07-12.
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