发明人李文辉,徐明华,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108939134 A, 授权公告日 2017-04-23.
发明人孙丽萍,钱学锋,林芳. "Method for the Synthesis of 9-Benzyl-1,6-diphenyl-9-azadispiro[2.1.2^{5}.3^{3}]decan-4-one" [P]. 中国发明专利, 专利号 CN 116195722 B, 授权公告日 2023-11-10.
发明人王建平,马晓峰,张德明. "A Process for Preparing High-Purity 9-Benzyl-1,6-diphenyl-9-azadispiro[2.1.2^{5}.3^{3}]decan-4-one" [P]. 中国发明专利, 专利号 CN 108673792 A, 授权公告日 2021-07-24.
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