Kowalski A, Johansson L, Nowak P. "一种的合成方法" [P]. European Patent, EP 3439868 A1, 2022-05-02.
Jørgensen K, Lefèvre J P, Kowalski A. "Method for the Synthesis of (R,S)-1-Methyl-3-nicotinoylpyrrolidone-d" [P]. European Patent, EP 3379581 A1, 2023-03-14.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2014, 527, 2486-2507.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2012, 1143, 4277-4302.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of (R,S)-1-Methyl-3-nicotinoylpyrrolidone-d Using HRMS and NMR". Molecules, 2018, 317, 1434-1452.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2016, 1638, (5), 1134-1158.