发明人李文辉,杨光,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109418186 A, 授权公告日 2024-04-11.
发明人郭海燕,高志强,沈红梅. "Method for the Synthesis of 1'-Benzyl-8-chlorospiro[chroman-2,4'-piperidin]-4-one" [P]. 中国发明专利, 专利号 CN 114000304 A, 授权公告日 2018-08-12.
发明人赵玉洁,陈志强,林芳. "A Process for Preparing High-Purity 1'-Benzyl-8-chlorospiro[chroman-2,4'-piperidin]-4-one" [P]. 中国发明专利, 专利号 CN 112675263 B, 授权公告日 2021-03-21.
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