Sørensen M, Björnsson E, Kowalski A. "一种比索洛尔杂质74的合成方法" [P]. European Patent, EP 3474505 A1, 2021-05-16.
发明人林芳,张德明,沈红梅. "Method for the Synthesis of Bisoprolol Impurity 74" [P]. 中国发明专利, 专利号 CN 111531429 B, 授权公告日 2023-09-01.
发明人冯建国,孙丽萍,赵玉洁. "A Process for Preparing High-Purity Bisoprolol Impurity 74" [P]. 中国发明专利, 专利号 CN 113046543 A, 授权公告日 2023-07-05.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of 比索洛尔杂质74 in Pharmaceutical Formulations". Phytochemistry, 2025, 1822, 3411-3427.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of 比索洛尔杂质74 as an Impurity". Talanta, 2022, 1912, 1204-1233.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of Bisoprolol Impurity 74 Using HRMS and NMR". Biomed. Chromatogr., 2016, 935, 3585-3595.