发明人周伟,杨光,林芳. "Method for the Synthesis of 1,1-Dioxo-4-methyltetrahydrothiophene-3-sulphonyl chloride" [P]. 中国发明专利, 专利号 CN 116434300 B, 授权公告日 2023-10-22.
发明人王建平,陈志强,罗永刚. "A Process for Preparing High-Purity 1,1-Dioxo-4-methyltetrahydrothiophene-3-sulphonyl chloride" [P]. 中国发明专利, 专利号 CN 113084684 A, 授权公告日 2023-06-24.
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