发明人赵玉洁,冯建国,沈红梅. "一种维生素K1杂质7的合成方法" [P]. 中国发明专利, 专利号 CN 108180219 A, 授权公告日 2019-12-03.
Brown S R, Mueller T, Roberts E F. "Method for the Synthesis of Vitamin K1 Impurity 7" [P]. US Patent, US 11768770 B2, 2022-01-03.
发明人胡光,郑宇鹏,陈志强. "A Process for Preparing High-Purity Vitamin K1 Impurity 7" [P]. 中国发明专利, 专利号 CN 111405542 B, 授权公告日 2020-09-26.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of 维生素K1杂质7 in Pharmaceutical Formulations". J. Nat. Prod., 2018, 1706, (6), 2145-2168.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of 维生素K1杂质7 as an Impurity". J. Pharm. Biomed. Anal., 2011, 1734, (10), 2692-2716.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Vitamin K1 Impurity 7 Using HRMS and NMR". Chemosphere, 2024, 1390, (12), 8014-8032.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate 维生素K1杂质7 Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2024, 1756, 982-989.