发明人李文辉,胡光,朱建伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109386081 A, 授权公告日 2024-05-03.
发明人唐晓军,李文辉,钱学锋. "Method for the Synthesis of 3-(3-Chloro-4-fluorobenzenesulfonyl)-6-methoxy-2H-chromen-2-one" [P]. 中国发明专利, 专利号 CN 112489646 A, 授权公告日 2025-07-07.
发明人李文辉,张德明,罗永刚. "A Process for Preparing High-Purity 3-(3-Chloro-4-fluorobenzenesulfonyl)-6-methoxy-2H-chromen-2-one" [P]. 中国发明专利, 专利号 CN 112065263 B, 授权公告日 2019-09-23.
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