发明人马晓峰,韩伟,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109890939 A, 授权公告日 2019-10-01.
发明人何建平,胡光,孙丽萍. "Method for the Synthesis of Tert-butyl (1R,5S)-8-azaspiro[bicyclo[3.2.1]Octane-3,2'-morpholine]-8-carboxylate" [P]. 中国发明专利, 专利号 CN 116116287 B, 授权公告日 2023-04-16.
发明人杨光,罗永刚,钱学锋. "A Process for Preparing High-Purity Tert-butyl (1R,5S)-8-azaspiro[bicyclo[3.2.1]Octane-3,2'-morpholine]-8-carboxylate" [P]. 中国发明专利, 专利号 CN 110988575 A, 授权公告日 2024-07-08.
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