Fischer A B, Lee S K, Stevens L M. "Method for the Synthesis of (R)-Topotecan" [P]. US Patent, US 11507132 B2, 2022-05-22.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of (R)-Topotecan in Pharmaceutical Formulations". Chromatographia, 2012, 1407, (12), 3840-3865.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of (R)-Topotecan as an Impurity". Molecules, 2023, 867, (3), 2470-2479.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of (R)-Topotecan Using HRMS and NMR". Biomed. Chromatogr., 2023, 687, 9678-9695.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate (R)-Topotecan Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2014, 962, (5), 4890-4916.