发明人罗永刚,冯建国,朱建伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110967910 A, 授权公告日 2021-04-09.
发明人罗永刚,沈红梅,陈志强. "Method for the Synthesis of Lafutidine Impurity 12" [P]. 中国发明专利, 专利号 CN 111661813 A, 授权公告日 2015-04-26.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2014, 1072, (4), 7771-7776.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2019, 656, 7462-7477.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Lafutidine Impurity 12 Using HRMS and NMR". Anal. Methods, 2012, 276, 8349-8367.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2022, 379, (6), 8925-8945.