发明人韩伟,胡光,杨光. "Method for the Synthesis of 4-Amino-2-ethoxy-5-fluorobenzonitrile" [P]. 中国发明专利, 专利号 CN 108909259 B, 授权公告日 2022-04-28.
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". J. Pharm. Biomed. Anal., 2017, 429, (12), 2931-2944.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2011, 309, 8449-8452.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 4-Amino-2-ethoxy-5-fluorobenzonitrile Using HRMS and NMR". J. Sep. Sci., 2014, 616, (4), 1111-1125.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2014, 1348, 4173-4199.