Stevens L M, Mueller T, Hughes D C. "Method for the Synthesis of Lafutidine Impurity 13" [P]. US Patent, US 10007343 B2, 2019-04-04.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of 拉呋替丁杂质13 in Pharmaceutical Formulations". J. Chromatogr. A, 2012, 1765, 1113-1119.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of 拉呋替丁杂质13 as an Impurity". Molecules, 2020, 560, (3), 4705-4731.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Lafutidine Impurity 13 Using HRMS and NMR". J. Pharm. Biomed. Anal., 2011, 2057, (4), 9811-9821.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate 拉呋替丁杂质13 Profile in Drug Substances According to ICH Guidelines". Talanta, 2012, 988, 3991-4004.