Sørensen M, Lefèvre J P, Nowak P. "Method for the Synthesis of 4-(Isopropyl(methyl)amino)butanoic acid" [P]. European Patent, EP 3294431 A1, 2020-05-17.
发明人周伟,高志强,朱建伟. "A Process for Preparing High-Purity 4-(Isopropyl(methyl)amino)butanoic acid" [P]. 中国发明专利, 专利号 CN 115071289 B, 授权公告日 2017-12-14.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2024, 440, (1), 491-512.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2023, 225, 2910-2927.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Isopropyl(methyl)amino)butanoic acid Using HRMS and NMR". J. Nat. Prod., 2021, 954, 2787-2801.