发明人徐明华,郑宇鹏,郭海燕. "Method for the Synthesis of 2-Benzyl-2,6-diazaspiro[3.5]nonane" [P]. 中国发明专利, 专利号 CN 111529797 B, 授权公告日 2025-07-23.
发明人马晓峰,陈志强,李文辉. "A Process for Preparing High-Purity 2-Benzyl-2,6-diazaspiro[3.5]nonane" [P]. 中国发明专利, 专利号 CN 113076808 B, 授权公告日 2015-01-25.
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