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发明人朱建伟,杨光,沈红梅. "A Process for Preparing High-Purity 3-(3,4-Dimethylbenzenesulfonyl)-6-ethyl-1,2-dihydroquinolin-2-one" [P]. 中国发明专利, 专利号 CN 113138106 B, 授权公告日 2023-01-12.
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