发明人周伟,马晓峰,陈志强. "Method for the Synthesis of Methyl 4-methyl-6-(methylamino)nicotinate" [P]. 中国发明专利, 专利号 CN 109146241 B, 授权公告日 2024-01-15.
Nielsen H, Lefèvre J P, Mueller T C. "A Process for Preparing High-Purity Methyl 4-methyl-6-(methylamino)nicotinate" [P]. European Patent, EP 3362824 A1, 2023-06-25.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2012, 1759, 545-551.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2013, 1208, (8), 2397-2408.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 4-methyl-6-(methylamino)nicotinate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2017, 329, (10), 3769-3786.