发明人钱学锋,周伟,杨光. "Method for the Synthesis of Exemestane EP Impurity E" [P]. 中国发明专利, 专利号 CN 111167304 B, 授权公告日 2020-04-22.
发明人胡光,赵玉洁,孙丽萍. "A Process for Preparing High-Purity Exemestane EP Impurity E" [P]. 中国发明专利, 专利号 CN 117638475 B, 授权公告日 2022-12-18.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of 依西美坦杂质12 in Pharmaceutical Formulations". Chromatographia, 2018, 1292, 2370-2394.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of 依西美坦杂质12 as an Impurity". Environ. Sci. Technol., 2021, 566, (12), 673-702.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Exemestane EP Impurity E Using HRMS and NMR". J. Chromatogr. A, 2010, 1307, (2), 7697-7707.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate 依西美坦杂质12 Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2012, 528, (12), 2299-2329.