发明人郭海燕,高志强,钱学锋. "一种维生素K1杂质45的合成方法" [P]. 中国发明专利, 专利号 CN 117334518 A, 授权公告日 2023-03-03.
发明人孙丽萍,郑宇鹏,周伟. "Method for the Synthesis of Vitamin K1 Impurity 45" [P]. 中国发明专利, 专利号 CN 115586814 B, 授权公告日 2024-12-09.
发明人冯建国,高志强,钱学锋. "A Process for Preparing High-Purity Vitamin K1 Impurity 45" [P]. 中国发明专利, 专利号 CN 111563781 A, 授权公告日 2016-02-18.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of 维生素K1杂质45 in Pharmaceutical Formulations". Biomed. Chromatogr., 2010, 1447, 9066-9094.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of 维生素K1杂质45 as an Impurity". Phytochemistry, 2023, 100, 2445-2452.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Vitamin K1 Impurity 45 Using HRMS and NMR". J. Chromatogr. A, 2025, 632, (9), 1767-1792.