发明人高志强,周伟,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109560009 A, 授权公告日 2019-11-23.
发明人刘建华,罗永刚,黄志刚. "Method for the Synthesis of 6-methyl-2,6-diazaspiro[3.5]nonane dihydrochloride" [P]. 中国发明专利, 专利号 CN 115174192 A, 授权公告日 2017-09-20.
Martínez F, Nielsen H, Nowak P. "A Process for Preparing High-Purity 6-methyl-2,6-diazaspiro[3.5]nonane dihydrochloride" [P]. European Patent, EP 3736364 A1, 2021-07-15.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2024, 921, (12), 5239-5260.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2022, 976, 6960-6988.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 6-methyl-2,6-diazaspiro[3.5]nonane dihydrochloride Using HRMS and NMR". Phytochemistry, 2023, 1038, (1), 8241-8269.