Mueller T C, Rossi M, Schröder R. "一种的合成方法" [P]. European Patent, EP 3520837 A1, 2023-01-21.
发明人张德明,马晓峰,唐晓军. "Method for the Synthesis of Ethyl (8-amino-2-methylpyrido[2,3-b]pyrazin-6-yl)carbamate" [P]. 中国发明专利, 专利号 CN 113913377 A, 授权公告日 2019-01-21.
Johnson M A, Fischer A B, Brown S R. "A Process for Preparing High-Purity Ethyl (8-amino-2-methylpyrido[2,3-b]pyrazin-6-yl)carbamate" [P]. US Patent, US 9918313 B2, 2024-04-25.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2013, 455, (5), 7799-7814.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2022, 347, (6), 6170-6192.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl (8-amino-2-methylpyrido[2,3-b]pyrazin-6-yl)carbamate Using HRMS and NMR". Food Chem., 2018, 273, (7), 5877-5903.