Johnson M A, O'Brien P Q, Hughes D C. "一种的合成方法" [P]. US Patent, US 11966610 B2, 2017-10-14.
发明人钱学锋,唐晓军,朱建伟. "Method for the Synthesis of 4-(4-Methylpiperazin-1-yl)-4-oxobutanoic acid" [P]. 中国发明专利, 专利号 CN 117019285 A, 授权公告日 2021-06-14.
发明人罗永刚,胡光,唐晓军. "A Process for Preparing High-Purity 4-(4-Methylpiperazin-1-yl)-4-oxobutanoic acid" [P]. 中国发明专利, 专利号 CN 112422382 A, 授权公告日 2018-10-03.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2023, 2265, 2841-2871.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2020, 1820, 7681-7687.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 4-(4-Methylpiperazin-1-yl)-4-oxobutanoic acid Using HRMS and NMR". Environ. Sci. Technol., 2021, 808, (2), 9240-9263.