发明人韩伟,钱学锋,朱建伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116777764 A, 授权公告日 2024-03-25.
Stevens L M, Park J H, Fischer A B. "Method for the Synthesis of (E)-4-((4-(ethoxycarbonyl)phenyl)amino)-4-oxobut-2-enoic acid" [P]. US Patent, US 10820147 B2, 2021-12-21.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2015, 1011, (1), 4198-4218.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2011, 2001, (6), 9163-9172.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of (E)-4-((4-(ethoxycarbonyl)phenyl)amino)-4-oxobut-2-enoic acid Using HRMS and NMR". Anal. Chem., 2020, 2413, (4), 5483-5487.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2022, 912, 7816-7835.