发明人高志强,刘建华,李文辉. "一种托拉塞米杂质18的合成方法" [P]. 中国发明专利, 专利号 CN 110554714 A, 授权公告日 2023-09-20.
发明人马晓峰,沈红梅,李文辉. "Method for the Synthesis of Torasemide Impurity 18" [P]. 中国发明专利, 专利号 CN 116669982 B, 授权公告日 2020-02-02.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of 托拉塞米杂质18 in Pharmaceutical Formulations". Chromatographia, 2013, 394, 8881-8889.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of 托拉塞米杂质18 as an Impurity". Chemosphere, 2021, 318, (7), 42-68.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of Torasemide Impurity 18 Using HRMS and NMR". J. Nat. Prod., 2013, 2280, (10), 8537-8567.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate 托拉塞米杂质18 Profile in Drug Substances According to ICH Guidelines". Food Chem., 2016, 833, 8649-8662.