Lee S K, Hughes D C, Davis P L. "一种的合成方法" [P]. US Patent, US 11366619 B2, 2016-05-14.
Johnson M A, Stevens L M, Klinger H. "Method for the Synthesis of 2-Amino-5-(ethylsulfonyl)-4-(3-fluorophenyl)thiophene-3-carbonitrile" [P]. US Patent, US 11593914 B2, 2019-02-05.
发明人王建平,杨光,刘建华. "A Process for Preparing High-Purity 2-Amino-5-(ethylsulfonyl)-4-(3-fluorophenyl)thiophene-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 111402933 A, 授权公告日 2016-02-24.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2014, 2011, (12), 631-659.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2023, 1763, 1620-1645.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 2-Amino-5-(ethylsulfonyl)-4-(3-fluorophenyl)thiophene-3-carbonitrile Using HRMS and NMR". Chromatographia, 2013, 489, (4), 2281-2292.