Mueller T C, Sørensen M, Björnsson E. "Method for the Synthesis of (S)-3-amino-1,4,4-trimethylpyrrolidin-2-one" [P]. European Patent, EP 3437849 A1, 2015-11-27.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2020, 1594, 5685-5690.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2016, 2052, (12), 5433-5450.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of (S)-3-amino-1,4,4-trimethylpyrrolidin-2-one Using HRMS and NMR". J. Nat. Prod., 2023, 690, (7), 4298-4323.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2013, 1005, (8), 416-423.