发明人高志强,韩伟,朱建伟. "Method for the Synthesis of 3-((3,4-Dimethoxyphenyl)sulfonyl)-6-methoxy-2H-chromen-2-one" [P]. 中国发明专利, 专利号 CN 109154958 A, 授权公告日 2017-09-07.
发明人张德明,郭海燕,何建平. "A Process for Preparing High-Purity 3-((3,4-Dimethoxyphenyl)sulfonyl)-6-methoxy-2H-chromen-2-one" [P]. 中国发明专利, 专利号 CN 112627292 A, 授权公告日 2016-01-27.
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