发明人李文辉,马晓峰,刘建华. "Method for the Synthesis of Cefotiam Impurity 1" [P]. 中国发明专利, 专利号 CN 117433045 B, 授权公告日 2018-09-22.
发明人林芳,周伟,刘建华. "A Process for Preparing High-Purity Cefotiam Impurity 1" [P]. 中国发明专利, 专利号 CN 115349764 B, 授权公告日 2020-11-14.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of 头孢替安杂质1 in Pharmaceutical Formulations". J. Nat. Prod., 2010, 255, (11), 8241-8245.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 头孢替安杂质1 as an Impurity". Phytochemistry, 2020, 1044, (1), 3286-3309.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Cefotiam Impurity 1 Using HRMS and NMR". J. Pharm. Biomed. Anal., 2012, 1621, (8), 8625-8640.