Johansson L, Björnsson E, Nielsen H. "一种艾地骨化醇杂质56的合成方法" [P]. European Patent, EP 3221863 A1, 2015-12-08.
Schröder R, Mueller T, Klinger H. "Method for the Synthesis of Eldecalcitol Impurity 56" [P]. US Patent, US 9457742 B2, 2021-11-26.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of 艾地骨化醇杂质56 in Pharmaceutical Formulations". Sci. Total Environ., 2019, 355, 2109-2113.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 艾地骨化醇杂质56 as an Impurity". Rapid Commun. Mass Spectrom., 2023, 1686, (11), 6378-6400.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Eldecalcitol Impurity 56 Using HRMS and NMR". J. Chromatogr. A, 2015, 212, (3), 2081-2105.