Brown S R, Kumar R, Johnson M A. "Method for the Synthesis of 3-Bromoisothiazolo[4,5-b]pyrazine" [P]. US Patent, US 10845995 B2, 2018-02-22.
发明人李文辉,朱建伟,高志强. "A Process for Preparing High-Purity 3-Bromoisothiazolo[4,5-b]pyrazine" [P]. 中国发明专利, 专利号 CN 110355251 A, 授权公告日 2019-03-27.
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". Chemosphere, 2021, 91, (11), 2151-2179.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2018, 449, 7668-7687.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 3-Bromoisothiazolo[4,5-b]pyrazine Using HRMS and NMR". J. Pharm. Biomed. Anal., 2017, 1028, (1), 5915-5941.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2023, 977, 5105-5118.