Kumar R, Klinger H, Lee S K. "Method for the Synthesis of Vitamin K1 Impurity 75" [P]. US Patent, US 10729984 B2, 2019-07-24.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of 维生素K1杂质75 in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2012, 786, 5242-5262.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of 维生素K1杂质75 as an Impurity". Molecules, 2011, 1725, 789-817.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Vitamin K1 Impurity 75 Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2017, 1834, 4773-4790.