发明人刘建华,陈志强,林芳. "Method for the Synthesis of 5-Ethoxy-4-methoxy-2-nitrobenzoic acid" [P]. 中国发明专利, 专利号 CN 116091319 A, 授权公告日 2017-09-03.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2024, 1940, (11), 8071-8093.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2014, 342, (3), 3112-3132.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 5-Ethoxy-4-methoxy-2-nitrobenzoic acid Using HRMS and NMR". Molecules, 2018, 1911, (9), 9471-9480.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2010, 1216, (2), 9741-9759.