发明人郭海燕,李文辉,高志强. "Method for the Synthesis of Isotretinoin EP Impurity I" [P]. 中国发明专利, 专利号 CN 113054212 A, 授权公告日 2017-09-05.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of 异维A酸EP杂质I in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2023, 1962, (4), 876-895.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of 异维A酸EP杂质I as an Impurity". Anal. Methods, 2016, 2038, 8149-8161.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Isotretinoin EP Impurity I Using HRMS and NMR". Phytochemistry, 2015, 675, 6067-6074.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate 异维A酸EP杂质I Profile in Drug Substances According to ICH Guidelines". Food Chem., 2020, 2433, (9), 7793-7808.