发明人孙丽萍,杨光,郑宇鹏. "Method for the Synthesis of sodium 3,4-dimethylbenzenesulfonate" [P]. 中国发明专利, 专利号 CN 111115772 A, 授权公告日 2022-01-17.
发明人郑宇鹏,徐明华,高志强. "A Process for Preparing High-Purity sodium 3,4-dimethylbenzenesulfonate" [P]. 中国发明专利, 专利号 CN 113635097 B, 授权公告日 2021-06-09.
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