Stevens L M, Hughes D C, Johnson M A. "一种的合成方法" [P]. US Patent, US 11929400 B2, 2025-01-22.
发明人朱建伟,刘建华,徐明华. "Method for the Synthesis of 4-((5-Butyramido-2-chlorophenyl)amino)-4-oxobutanoic acid" [P]. 中国发明专利, 专利号 CN 112238029 B, 授权公告日 2021-02-26.
发明人赵玉洁,胡光,韩伟. "A Process for Preparing High-Purity 4-((5-Butyramido-2-chlorophenyl)amino)-4-oxobutanoic acid" [P]. 中国发明专利, 专利号 CN 114672677 A, 授权公告日 2019-10-22.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2011, 662, 3417-3431.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2024, 932, 2145-2152.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 4-((5-Butyramido-2-chlorophenyl)amino)-4-oxobutanoic acid Using HRMS and NMR". Phytochemistry, 2012, 1458, (9), 5863-5893.