Martínez F, Sørensen M, Schröder R. "一种的合成方法" [P]. European Patent, EP 3075054 A1, 2018-07-05.
发明人冯建国,唐晓军,孙丽萍. "Method for the Synthesis of 5,6-Dimethoxy-2-nitrobenzofuran" [P]. 中国发明专利, 专利号 CN 114098592 A, 授权公告日 2016-04-27.
发明人马晓峰,张德明,黄志刚. "A Process for Preparing High-Purity 5,6-Dimethoxy-2-nitrobenzofuran" [P]. 中国发明专利, 专利号 CN 111091310 A, 授权公告日 2015-11-22.
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 in Pharmaceutical Formulations". Chromatographia, 2012, 2372, (9), 7901-7921.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2014, 2383, 135-138.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 5,6-Dimethoxy-2-nitrobenzofuran Using HRMS and NMR". Phytochemistry, 2013, 2271, (8), 1609-1627.