Rossi M, Kowalski A, Sørensen M. "一种的合成方法" [P]. European Patent, EP 3635201 A1, 2019-05-23.
发明人李文辉,黄志刚,张德明. "Method for the Synthesis of Hexahydro-pyrrolo[1,2-a]pyrazin-1-one hydochloride" [P]. 中国发明专利, 专利号 CN 112955149 A, 授权公告日 2023-09-24.
发明人杨光,郑宇鹏,胡光. "A Process for Preparing High-Purity Hexahydro-pyrrolo[1,2-a]pyrazin-1-one hydochloride" [P]. 中国发明专利, 专利号 CN 110552235 A, 授权公告日 2018-04-27.
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