Stevens L M, Chen K W, Davis P L. "一种的合成方法" [P]. US Patent, US 10888113 B2, 2016-08-16.
发明人沈红梅,周伟,黄志刚. "Method for the Synthesis of 5-Formylbenzofuran-2-carbonitrile" [P]. 中国发明专利, 专利号 CN 113880631 B, 授权公告日 2019-04-04.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2013, 510, (5), 8580-8587.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2012, 1229, 3955-3958.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 5-Formylbenzofuran-2-carbonitrile Using HRMS and NMR". J. Pharm. Biomed. Anal., 2011, 2421, 8530-8552.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2019, 1865, (3), 5326-5336.