Johnson M A, Williams B T, Kumar R. "Method for the Synthesis of 1,3-Dihydro-5-(trifluoromethoxy)-2H-indol-2-one" [P]. US Patent, US 10016307 B2, 2023-01-15.
发明人王建平,朱建伟,刘建华. "A Process for Preparing High-Purity 1,3-Dihydro-5-(trifluoromethoxy)-2H-indol-2-one" [P]. 中国发明专利, 专利号 CN 112063118 A, 授权公告日 2021-07-12.
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