发明人赵玉洁,徐明华,孙丽萍. "Method for the Synthesis of 2-(1-(Dimethylcarbamoyl)pyridin-1-ium-4-yl)ethane-1-sulfonate" [P]. 中国发明专利, 专利号 CN 117323343 B, 授权公告日 2017-01-16.
发明人罗永刚,高志强,陈志强. "A Process for Preparing High-Purity 2-(1-(Dimethylcarbamoyl)pyridin-1-ium-4-yl)ethane-1-sulfonate" [P]. 中国发明专利, 专利号 CN 116958342 B, 授权公告日 2023-12-15.
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