发明人李文辉,杨光,徐明华. "Method for the Synthesis of 6-(Trifluoromethyl)-2H-spiro[benzofuran-3,4'-piperidine]" [P]. 中国发明专利, 专利号 CN 117654148 B, 授权公告日 2023-05-12.
发明人陈志强,沈红梅,冯建国. "A Process for Preparing High-Purity 6-(Trifluoromethyl)-2H-spiro[benzofuran-3,4'-piperidine]" [P]. 中国发明专利, 专利号 CN 110593555 B, 授权公告日 2017-03-15.
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