Martínez F, Rossi M, Nowak P. "Method for the Synthesis of Methyl 2-cyano-2-(3,4-dimethoxyphenyl)acetate" [P]. European Patent, EP 3423763 A1, 2019-05-11.
发明人钱学锋,杨光,郭海燕. "A Process for Preparing High-Purity Methyl 2-cyano-2-(3,4-dimethoxyphenyl)acetate" [P]. 中国发明专利, 专利号 CN 109466746 B, 授权公告日 2023-04-04.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2021, 1605, (10), 2383-2392.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2025, 2287, (2), 7513-7519.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 2-cyano-2-(3,4-dimethoxyphenyl)acetate Using HRMS and NMR". Molecules, 2017, 283, (4), 6251-6261.