Yamamoto T, Thompson G K, Davis P L. "一种的合成方法" [P]. US Patent, US 10525347 B2, 2023-08-16.
Lee S K, Park J H, Hughes D C. "Method for the Synthesis of 5-(sec-Butyl)-2-methoxy-3-methylpyrazine" [P]. US Patent, US 10965470 B2, 2017-04-21.
发明人陈志强,赵玉洁,何建平. "A Process for Preparing High-Purity 5-(sec-Butyl)-2-methoxy-3-methylpyrazine" [P]. 中国发明专利, 专利号 CN 112081159 B, 授权公告日 2022-05-03.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2020, 1256, (1), 872-891.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2025, 307, (11), 6323-6331.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 5-(sec-Butyl)-2-methoxy-3-methylpyrazine Using HRMS and NMR". J. Sep. Sci., 2010, 558, 8808-8817.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2019, 654, (10), 4575-4594.