发明人罗永刚,冯建国,郑宇鹏. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114800482 A, 授权公告日 2015-09-18.
Stevens L M, Hughes D C, Lee S K. "Method for the Synthesis of 3-((Furan-2-ylmethyl)amino)-4-((4-nitrophenyl)amino)-4-oxobutanoic acid" [P]. US Patent, US 9948733 B2, 2024-08-15.
发明人钱学锋,冯建国,何建平. "A Process for Preparing High-Purity 3-((Furan-2-ylmethyl)amino)-4-((4-nitrophenyl)amino)-4-oxobutanoic acid" [P]. 中国发明专利, 专利号 CN 117860202 B, 授权公告日 2025-09-16.
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". Molecules, 2015, 748, 1052-1079.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2016, 1426, 6798-6823.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 3-((Furan-2-ylmethyl)amino)-4-((4-nitrophenyl)amino)-4-oxobutanoic acid Using HRMS and NMR". Anal. Chim. Acta, 2018, 1865, 6631-6655.