发明人王建平,赵玉洁,李文辉. "一种艾司洛尔杂质34的合成方法" [P]. 中国发明专利, 专利号 CN 117800650 A, 授权公告日 2020-07-10.
Mueller T C, Nielsen H, Björnsson E. "Method for the Synthesis of Esmolol Impurity 34" [P]. European Patent, EP 3090211 A1, 2023-05-22.
发明人刘建华,郭海燕,沈红梅. "A Process for Preparing High-Purity Esmolol Impurity 34" [P]. 中国发明专利, 专利号 CN 116469098 A, 授权公告日 2020-09-11.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of 艾司洛尔杂质34 in Pharmaceutical Formulations". Anal. Methods, 2017, 1929, (2), 6985-7004.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of 艾司洛尔杂质34 as an Impurity". Food Chem., 2015, 1732, (3), 7586-7605.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Esmolol Impurity 34 Using HRMS and NMR". Environ. Sci. Technol., 2024, 643, 4592-4614.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate 艾司洛尔杂质34 Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2016, 934, (2), 6888-6914.