发明人王建平,李文辉,沈红梅. "Method for the Synthesis of 2,2,7-Trifluoro-4-(methylsulfonyl)benzofuran-3(2H)-one" [P]. 中国发明专利, 专利号 CN 110269246 B, 授权公告日 2022-10-21.
Johnson M A, Brown S R, Williams B T. "A Process for Preparing High-Purity 2,2,7-Trifluoro-4-(methylsulfonyl)benzofuran-3(2H)-one" [P]. US Patent, US 9317205 B2, 2020-09-21.
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