Mueller T C, Nielsen H, Martínez F. "Method for the Synthesis of N-methyl-N-(1-(pyrazin-2-yl)ethyl)glycine" [P]. European Patent, EP 3797410 A1, 2021-04-02.
Yamamoto T, Thompson G K, Brown S R. "A Process for Preparing High-Purity N-methyl-N-(1-(pyrazin-2-yl)ethyl)glycine" [P]. US Patent, US 11824734 B2, 2015-11-14.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2019, 857, (10), 3813-3837.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2017, 502, (6), 1264-1281.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of N-methyl-N-(1-(pyrazin-2-yl)ethyl)glycine Using HRMS and NMR". J. Chromatogr. A, 2023, 267, (6), 9469-9498.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2016, 206, 4389-4415.