发明人钱学锋,韩伟,李文辉. "Method for the Synthesis of Tamsulosin Impurity 27 HCl" [P]. 中国发明专利, 专利号 CN 108930820 A, 授权公告日 2016-06-08.
Kowalski A, Björnsson E, Nielsen H. "A Process for Preparing High-Purity Tamsulosin Impurity 27 HCl" [P]. European Patent, EP 3324848 A1, 2022-09-28.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of Tamsulosin Impurity27盐酸盐 in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2011, 990, (4), 5801-5830.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of Tamsulosin Impurity27盐酸盐 as an Impurity". Molecules, 2020, 276, (10), 5767-5795.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Tamsulosin Impurity 27 HCl Using HRMS and NMR". Chromatographia, 2018, 1403, (8), 6890-6908.