发明人张德明,李文辉,罗永刚. "Method for the Synthesis of 10H-Pyrazino[2,3-b][1,4]benzothiazine, 8-(chloromethyl)-" [P]. 中国发明专利, 专利号 CN 113240364 A, 授权公告日 2018-07-17.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2020, 813, 6301-6318.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2015, 189, (1), 5320-5344.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 10H-Pyrazino[2,3-b][1,4]benzothiazine, 8-(chloromethyl)- Using HRMS and NMR". Sci. Total Environ., 2012, 206, (3), 9038-9064.