发明人唐晓军,胡光,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112206781 A, 授权公告日 2016-08-26.
发明人孙丽萍,钱学锋,朱建伟. "Method for the Synthesis of 5-Amino-2-ethoxybenzoic acid, 97%" [P]. 中国发明专利, 专利号 CN 109859478 A, 授权公告日 2024-01-03.
发明人王建平,李文辉,张德明. "A Process for Preparing High-Purity 5-Amino-2-ethoxybenzoic acid, 97%" [P]. 中国发明专利, 专利号 CN 110699292 B, 授权公告日 2022-09-06.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2015, 650, (6), 9273-9278.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2015, 1952, 9609-9625.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 5-Amino-2-ethoxybenzoic acid, 97% Using HRMS and NMR". Food Chem., 2010, 141, (12), 1496-1499.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2017, 735, 1270-1293.