发明人张德明,林芳,胡光. "Method for the Synthesis of 3-((3-Chloro-4-fluorophenyl)sulfonyl)-7-hydroxy-2H-chromen-2-one" [P]. 中国发明专利, 专利号 CN 112995375 A, 授权公告日 2024-01-15.
发明人陈志强,黄志刚,周伟. "A Process for Preparing High-Purity 3-((3-Chloro-4-fluorophenyl)sulfonyl)-7-hydroxy-2H-chromen-2-one" [P]. 中国发明专利, 专利号 CN 115927860 A, 授权公告日 2015-07-20.
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