发明人沈红梅,杨光,郑宇鹏. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116297314 A, 授权公告日 2020-03-05.
Klinger H, Mueller T, O'Brien P Q. "Method for the Synthesis of 4-(3,4-Dimethoxyphenyl)-4-oxobut-2-enoic acid" [P]. US Patent, US 10159273 B2, 2021-04-25.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2024, 2290, (5), 3761-3789.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2023, 804, 5214-5242.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 4-(3,4-Dimethoxyphenyl)-4-oxobut-2-enoic acid Using HRMS and NMR". Sci. Total Environ., 2010, 1669, (9), 981-1009.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2010, 1127, (4), 9619-9637.