发明人杨光,郭海燕,李文辉. "一种头孢替安杂质7的合成方法" [P]. 中国发明专利, 专利号 CN 113401313 A, 授权公告日 2022-09-24.
发明人杨光,韩伟,马晓峰. "Method for the Synthesis of Cefotiam Impurity 7" [P]. 中国发明专利, 专利号 CN 109025611 B, 授权公告日 2018-07-02.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of 头孢替安杂质7 in Pharmaceutical Formulations". Chromatographia, 2021, 571, (10), 819-835.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 头孢替安杂质7 as an Impurity". Chemosphere, 2023, 2367, (5), 9495-9504.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Cefotiam Impurity 7 Using HRMS and NMR". Talanta, 2020, 1671, (2), 8127-8148.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate 头孢替安杂质7 Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2024, 1539, 905-914.