发明人马晓峰,张德明,胡光. "Method for the Synthesis of 4-Hydroxy-6-methyl-2-(trifluoromethoxy)pyridine-3-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 116257738 B, 授权公告日 2022-10-21.
发明人李文辉,郑宇鹏,朱建伟. "A Process for Preparing High-Purity 4-Hydroxy-6-methyl-2-(trifluoromethoxy)pyridine-3-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 113821424 A, 授权公告日 2025-10-25.
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