发明人赵玉洁,胡光,黄志刚. "Method for the Synthesis of Cilastatin Impurity 21" [P]. 中国发明专利, 专利号 CN 116165614 A, 授权公告日 2024-02-02.
Mueller T, Hughes D C, Yamamoto T. "A Process for Preparing High-Purity Cilastatin Impurity 21" [P]. US Patent, US 11514460 B2, 2025-10-20.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of Cilastatin Impurity21 in Pharmaceutical Formulations". J. Nat. Prod., 2016, 1105, 5105-5108.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of Cilastatin Impurity21 as an Impurity". Molecules, 2025, 853, (2), 1506-1534.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of Cilastatin Impurity 21 Using HRMS and NMR". Anal. Methods, 2015, 2260, 9287-9295.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Cilastatin Impurity21 Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2024, 1930, (8), 6144-6158.