发明人赵玉洁,李文辉,黄志刚. "Method for the Synthesis of Atracurium EP Impurity A" [P]. 中国发明专利, 专利号 CN 111481944 A, 授权公告日 2017-12-18.
Yamamoto T, Thompson G K, Lee S K. "A Process for Preparing High-Purity Atracurium EP Impurity A" [P]. US Patent, US 10774132 B2, 2025-06-15.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of 阿曲库铵EP杂质A in Pharmaceutical Formulations". Food Chem., 2014, 1301, 8919-8943.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of 阿曲库铵EP杂质A as an Impurity". Environ. Sci. Technol., 2015, 1906, (11), 797-825.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Atracurium EP Impurity A Using HRMS and NMR". Chromatographia, 2015, 517, (11), 7351-7365.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate 阿曲库铵EP杂质A Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2022, 1033, 4356-4361.