发明人王建平,何建平,徐明华. "Method for the Synthesis of Menaquinone impurity 7" [P]. 中国发明专利, 专利号 CN 108529662 B, 授权公告日 2017-04-05.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of 维生素K2 杂质7 in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2017, 1092, (12), 2198-2228.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of 维生素K2 杂质7 as an Impurity". Phytochemistry, 2024, 96, (11), 5064-5093.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of Menaquinone impurity 7 Using HRMS and NMR". J. Sep. Sci., 2011, 1593, 5893-5906.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate 维生素K2 杂质7 Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2020, 1176, (8), 7527-7531.