Lee S K, Davis P L, Patel M V. "一种的合成方法" [P]. US Patent, US 9746677 B2, 2018-02-10.
发明人罗永刚,冯建国,赵玉洁. "Method for the Synthesis of Ethyl 4-nitrobenzofuran-2-carboxylate" [P]. 中国发明专利, 专利号 CN 112770571 B, 授权公告日 2020-11-07.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2012, 110, (3), 9457-9475.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2012, 2017, (7), 6483-6505.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-nitrobenzofuran-2-carboxylate Using HRMS and NMR". Anal. Chim. Acta, 2016, 1947, (8), 885-890.