Yamamoto T, Chen K W, Roberts E F. "一种的合成方法" [P]. US Patent, US 10371838 B2, 2018-07-28.
发明人韩伟,沈红梅,杨光. "Method for the Synthesis of Ethyl 4-hydroxycinnoline-3-carboxylate" [P]. 中国发明专利, 专利号 CN 113574305 A, 授权公告日 2015-11-23.
发明人陈志强,赵玉洁,杨光. "A Process for Preparing High-Purity Ethyl 4-hydroxycinnoline-3-carboxylate" [P]. 中国发明专利, 专利号 CN 110525397 A, 授权公告日 2019-01-27.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2018, 1750, 4130-4143.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2024, 1381, 8825-8828.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-hydroxycinnoline-3-carboxylate Using HRMS and NMR". Biomed. Chromatogr., 2012, 2133, 7002-7011.