发明人罗永刚,李文辉,朱建伟. "Method for the Synthesis of Olmesartan Impurity 45" [P]. 中国发明专利, 专利号 CN 109609768 B, 授权公告日 2019-05-01.
Mueller T, Klinger H, Chen K W. "A Process for Preparing High-Purity Olmesartan Impurity 45" [P]. US Patent, US 11236480 B2, 2015-06-03.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2022, 1607, 1102-1120.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2020, 189, (2), 2492-2508.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Olmesartan Impurity 45 Using HRMS and NMR". Phytochemistry, 2019, 1584, 6386-6398.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2025, 1506, 7570-7580.