Nielsen H, Lefèvre J P, Jørgensen K. "Method for the Synthesis of 7-Chloro-2H-benzo[b][1,4]thiazine-3(4H)-thione" [P]. European Patent, EP 3059871 A1, 2017-07-19.
发明人王建平,朱建伟,刘建华. "A Process for Preparing High-Purity 7-Chloro-2H-benzo[b][1,4]thiazine-3(4H)-thione" [P]. 中国发明专利, 专利号 CN 112993649 A, 授权公告日 2022-07-03.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2020, 1716, (10), 4640-4652.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2020, 2214, (1), 7585-7602.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 7-Chloro-2H-benzo[b][1,4]thiazine-3(4H)-thione Using HRMS and NMR". Anal. Chem., 2023, 1270, (8), 9180-9190.