发明人朱建伟,高志强,冯建国. "Method for the Synthesis of Tetracycline EP Impurity B" [P]. 中国发明专利, 专利号 CN 109140450 B, 授权公告日 2020-03-12.
Jørgensen K, Björnsson E, Kowalski A. "A Process for Preparing High-Purity Tetracycline EP Impurity B" [P]. European Patent, EP 3822999 A1, 2023-03-02.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of 四环素EP杂质B in Pharmaceutical Formulations". Environ. Sci. Technol., 2014, 1736, (11), 6315-6323.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of 四环素EP杂质B as an Impurity". J. Nat. Prod., 2013, 2101, (6), 5858-5880.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Tetracycline EP Impurity B Using HRMS and NMR". Anal. Chem., 2022, 787, 5943-5953.