Davis P L, Brown S R, Kumar R. "Method for the Synthesis of Ceftibuten Impurity 19" [P]. US Patent, US 11420714 B2, 2023-09-12.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2022, 2246, (6), 8062-8068.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2017, 1732, 2160-2184.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Ceftibuten Impurity 19 Using HRMS and NMR". Molecules, 2021, 1904, 8676-8680.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2020, 2358, 3553-3578.