Johnson M A, Williams B T, Roberts E F. "Method for the Synthesis of 5-Amino-2-(4-methylpiperazin-1-yl)benzoic acid" [P]. US Patent, US 11625907 B2, 2016-04-22.
发明人朱建伟,徐明华,钱学锋. "A Process for Preparing High-Purity 5-Amino-2-(4-methylpiperazin-1-yl)benzoic acid" [P]. 中国发明专利, 专利号 CN 112518669 A, 授权公告日 2020-11-28.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2012, 430, (3), 3987-4012.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2023, 854, (4), 459-477.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 5-Amino-2-(4-methylpiperazin-1-yl)benzoic acid Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2016, 1681, (8), 9766-9776.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2018, 253, 8494-8523.