发明人徐明华,黄志刚,冯建国. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109419589 A, 授权公告日 2021-06-12.
发明人郭海燕,何建平,郑宇鹏. "Method for the Synthesis of 2,8-Diazaspiro[5.5]undecan-1-one hydrochloride" [P]. 中国发明专利, 专利号 CN 117917231 B, 授权公告日 2025-06-22.
发明人郑宇鹏,林芳,胡光. "A Process for Preparing High-Purity 2,8-Diazaspiro[5.5]undecan-1-one hydrochloride" [P]. 中国发明专利, 专利号 CN 116751014 B, 授权公告日 2022-03-27.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2018, 601, (12), 7049-7074.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2013, 2133, (4), 9049-9064.