Lee S K, Klinger H, Johnson M A. "一种(2E)-4-[(3-chlorophenyl)amino]-4-oxobut-2-enoic acid的合成方法" [P]. US Patent, US 10404957 B2, 2017-11-05.
发明人孙丽萍,胡光,林芳. "Method for the Synthesis of (2E)-4-[(3-chlorophenyl)amino]-4-oxobut-2-enoic acid" [P]. 中国发明专利, 专利号 CN 113390313 B, 授权公告日 2025-02-23.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of (2E)-4-[(3-chlorophenyl)amino]-4-oxobut-2-enoic acid in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2021, 1364, (11), 1281-1304.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of (2E)-4-[(3-chlorophenyl)amino]-4-oxobut-2-enoic acid as an Impurity". J. Chromatogr. A, 2015, 1359, (6), 3235-3259.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of (2E)-4-[(3-chlorophenyl)amino]-4-oxobut-2-enoic acid Using HRMS and NMR". Talanta, 2011, 2130, (6), 157-168.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate (2E)-4-[(3-chlorophenyl)amino]-4-oxobut-2-enoic acid Profile in Drug Substances According to ICH Guidelines". Molecules, 2016, 312, (6), 2433-2453.