发明人钱学锋,李文辉,高志强. "Method for the Synthesis of Calcitriol Impurity 22" [P]. 中国发明专利, 专利号 CN 109727409 B, 授权公告日 2021-12-08.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of 骨化三醇杂质22 in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2017, 1916, 6048-6066.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of 骨化三醇杂质22 as an Impurity". J. Chromatogr. A, 2021, 1860, (10), 5222-5244.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Calcitriol Impurity 22 Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2023, 91, (4), 2058-2084.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate 骨化三醇杂质22 Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2013, 1666, (6), 5577-5596.