发明人何建平,唐晓军,郑宇鹏. "一种3-甲砜基吡啶-2-甲酸的合成方法" [P]. 中国发明专利, 专利号 CN 109124251 A, 授权公告日 2017-09-01.
发明人罗永刚,周伟,黄志刚. "Method for the Synthesis of 3-(Methylsulfonyl)pyridine-2-carboxylic Acid" [P]. 中国发明专利, 专利号 CN 116376695 B, 授权公告日 2015-01-25.
发明人孙丽萍,李文辉,罗永刚. "A Process for Preparing High-Purity 3-(Methylsulfonyl)pyridine-2-carboxylic Acid" [P]. 中国发明专利, 专利号 CN 113989369 B, 授权公告日 2023-09-21.
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