Lefèvre J P, Nielsen H, Björnsson E. "Method for the Synthesis of Cyclopropyl(2,6-diazaspiro[3.3]Heptan-2-yl)methanone" [P]. European Patent, EP 3518010 A1, 2016-03-08.
发明人韩伟,林芳,朱建伟. "A Process for Preparing High-Purity Cyclopropyl(2,6-diazaspiro[3.3]Heptan-2-yl)methanone" [P]. 中国发明专利, 专利号 CN 110819888 A, 授权公告日 2016-04-24.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2021, 780, 7472-7486.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2019, 1229, 2901-2920.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of Cyclopropyl(2,6-diazaspiro[3.3]Heptan-2-yl)methanone Using HRMS and NMR". J. Pharm. Biomed. Anal., 2020, 1718, 2201-2223.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2011, 556, (12), 4921-4928.