Mueller T, O'Brien P Q, Klinger H. "一种的合成方法" [P]. US Patent, US 10450762 B2, 2022-09-15.
发明人林芳,刘建华,陈志强. "Method for the Synthesis of 2-chloro-3-ethyl-pyrazine" [P]. 中国发明专利, 专利号 CN 111715356 B, 授权公告日 2017-12-22.
Williams B T, Brown S R, Lee S K. "A Process for Preparing High-Purity 2-chloro-3-ethyl-pyrazine" [P]. US Patent, US 10645786 B2, 2024-11-13.
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". Food Chem., 2019, 1860, (6), 556-584.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2023, 503, (7), 4061-4078.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 2-chloro-3-ethyl-pyrazine Using HRMS and NMR". Chromatographia, 2018, 1482, 9448-9478.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2016, 2458, 3751-3756.