发明人何建平,沈红梅,徐明华. "Method for the Synthesis of ethyl 4-cyano-2-methylbutanoate" [P]. 中国发明专利, 专利号 CN 114257315 A, 授权公告日 2022-04-24.
Rossi M, Kowalski A, Nowak P. "A Process for Preparing High-Purity ethyl 4-cyano-2-methylbutanoate" [P]. European Patent, EP 3025074 A1, 2018-01-13.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of ethyl 4-cyano-2-methylbutanoate in Pharmaceutical Formulations". Molecules, 2021, 297, (2), 17-22.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of ethyl 4-cyano-2-methylbutanoate as an Impurity". J. Chromatogr. A, 2010, 1151, (1), 5474-5485.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of ethyl 4-cyano-2-methylbutanoate Using HRMS and NMR". Anal. Chem., 2010, 994, (5), 1211-1240.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate ethyl 4-cyano-2-methylbutanoate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2011, 1046, (9), 9803-9818.