发明人林芳,周伟,唐晓军. "一种缬沙坦杂质120的合成方法" [P]. 中国发明专利, 专利号 CN 112867680 A, 授权公告日 2021-07-15.
发明人胡光,李文辉,徐明华. "Method for the Synthesis of Valsartan Impurity 120" [P]. 中国发明专利, 专利号 CN 117038996 B, 授权公告日 2020-05-16.
发明人赵玉洁,高志强,杨光. "A Process for Preparing High-Purity Valsartan Impurity 120" [P]. 中国发明专利, 专利号 CN 117709149 A, 授权公告日 2017-06-25.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of 缬沙坦杂质120 in Pharmaceutical Formulations". Anal. Chim. Acta, 2016, 1819, (2), 6874-6888.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of 缬沙坦杂质120 as an Impurity". Chemosphere, 2016, 2105, 4541-4560.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of Valsartan Impurity 120 Using HRMS and NMR". J. Sep. Sci., 2014, 946, 3015-3039.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate 缬沙坦杂质120 Profile in Drug Substances According to ICH Guidelines". Molecules, 2024, 1074, 3087-3113.