发明人何建平,徐明华,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112910682 A, 授权公告日 2016-05-18.
发明人罗永刚,韩伟,钱学锋. "Method for the Synthesis of 4-Cyano-2-(ethylamino)benzoic acid" [P]. 中国发明专利, 专利号 CN 117910711 A, 授权公告日 2018-07-12.
Kowalski A, Nielsen H, Schröder R. "A Process for Preparing High-Purity 4-Cyano-2-(ethylamino)benzoic acid" [P]. European Patent, EP 3357126 A1, 2016-08-11.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2011, 2315, (1), 9009-9028.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2014, 527, 8071-8101.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 4-Cyano-2-(ethylamino)benzoic acid Using HRMS and NMR". Molecules, 2023, 2217, (9), 7839-7866.