发明人马晓峰,刘建华,张德明. "一种氨溴索EP杂质D的合成方法" [P]. 中国发明专利, 专利号 CN 109363317 A, 授权公告日 2021-03-28.
发明人马晓峰,胡光,高志强. "Method for the Synthesis of Ambroxol EP Impurity D" [P]. 中国发明专利, 专利号 CN 112014043 A, 授权公告日 2016-10-18.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of 氨溴索EP杂质D in Pharmaceutical Formulations". Food Chem., 2017, 1110, 1045-1072.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 氨溴索EP杂质D as an Impurity". Sci. Total Environ., 2022, 2142, (6), 1860-1879.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Ambroxol EP Impurity D Using HRMS and NMR". J. Chromatogr. A, 2022, 302, (7), 4212-4237.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate 氨溴索EP杂质D Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2017, 1857, 566-578.