Nielsen H, Johansson L, Rossi M. "一种的合成方法" [P]. European Patent, EP 3518997 A1, 2021-11-04.
Thompson G K, O'Brien P Q, Roberts E F. "Method for the Synthesis of 2-Amino-4-(4-isopropylpiperazin-1-yl)butanamide" [P]. US Patent, US 9716557 B2, 2021-07-12.
发明人刘建华,杨光,林芳. "A Process for Preparing High-Purity 2-Amino-4-(4-isopropylpiperazin-1-yl)butanamide" [P]. 中国发明专利, 专利号 CN 116900839 B, 授权公告日 2016-08-14.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2013, 1911, 9269-9292.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2025, 1464, 8894-8898.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 2-Amino-4-(4-isopropylpiperazin-1-yl)butanamide Using HRMS and NMR". J. Sep. Sci., 2019, 1690, (12), 6039-6052.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2022, 178, (11), 9805-9835.