Stevens L M, Patel M V, Fischer A B. "一种N/A的合成方法" [P]. US Patent, US 10687079 B2, 2020-08-19.
发明人韩伟,郑宇鹏,陈志强. "Method for the Synthesis of Sorbitan sesquistearate" [P]. 中国发明专利, 专利号 CN 111169230 A, 授权公告日 2015-09-08.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of N/A in Pharmaceutical Formulations". Phytochemistry, 2024, 1207, (5), 114-125.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of N/A as an Impurity". J. Chromatogr. A, 2011, 382, (7), 4503-4526.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Sorbitan sesquistearate Using HRMS and NMR". Biomed. Chromatogr., 2012, 606, (5), 6172-6184.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate N/A Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2015, 1327, 4439-4458.