发明人冯建国,杨光,罗永刚. "Method for the Synthesis of Empagliflozin Impurity 99" [P]. 中国发明专利, 专利号 CN 112713870 B, 授权公告日 2022-12-07.
发明人刘建华,李文辉,张德明. "A Process for Preparing High-Purity Empagliflozin Impurity 99" [P]. 中国发明专利, 专利号 CN 113491344 B, 授权公告日 2021-02-06.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 恩格列净杂质99 in Pharmaceutical Formulations". Anal. Chim. Acta, 2016, 1856, (11), 9840-9849.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of 恩格列净杂质99 as an Impurity". Anal. Chem., 2023, 1136, (5), 4427-4447.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Empagliflozin Impurity 99 Using HRMS and NMR". Talanta, 2022, 1147, 9759-9777.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate 恩格列净杂质99 Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2013, 667, (5), 9614-9630.