发明人徐明华,韩伟,沈红梅. "Method for the Synthesis of Sodium pyridine-2-sulfonate" [P]. 中国发明专利, 专利号 CN 113369035 A, 授权公告日 2018-05-27.
发明人徐明华,罗永刚,黄志刚. "A Process for Preparing High-Purity Sodium pyridine-2-sulfonate" [P]. 中国发明专利, 专利号 CN 116532187 B, 授权公告日 2023-03-02.
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