发明人沈红梅,周伟,孙丽萍. "Method for the Synthesis of Tolvaptan Impurity 40" [P]. 中国发明专利, 专利号 CN 109638745 B, 授权公告日 2022-04-18.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of 托伐普坦杂质40 in Pharmaceutical Formulations". Sci. Total Environ., 2015, 2150, (10), 6983-6995.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of 托伐普坦杂质40 as an Impurity". J. Nat. Prod., 2011, 721, 4519-4547.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Tolvaptan Impurity 40 Using HRMS and NMR". Biomed. Chromatogr., 2018, 2182, 5399-5416.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate 托伐普坦杂质40 Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2013, 571, (6), 6247-6264.