Mueller T, Johnson M A, Williams B T. "一种的合成方法" [P]. US Patent, US 9942411 B2, 2016-09-06.
Roberts E F, Anderson J P, Williams B T. "Method for the Synthesis of n5-(2-Methoxyethyl)-n5-methylpyridine-2,5-diamine" [P]. US Patent, US 10832054 B2, 2022-12-07.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2015, 801, 3526-3545.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2011, 2398, 5291-5308.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of n5-(2-Methoxyethyl)-n5-methylpyridine-2,5-diamine Using HRMS and NMR". Sci. Total Environ., 2018, 2395, 164-176.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2017, 1931, (7), 9414-9442.