Hughes D C, Lee S K, Schröder R. "一种的合成方法" [P]. US Patent, US 10136780 B2, 2024-10-13.
发明人冯建国,孙丽萍,王建平. "Method for the Synthesis of Ethyl 6-chloro-8-nitro-4-oxo-4H-chromene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 115853760 B, 授权公告日 2015-03-27.
发明人赵玉洁,林芳,高志强. "A Process for Preparing High-Purity Ethyl 6-chloro-8-nitro-4-oxo-4H-chromene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 115650654 A, 授权公告日 2018-02-09.
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, 2012, 1101, 3333-3355.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2022, 929, 9940-9959.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 6-chloro-8-nitro-4-oxo-4H-chromene-2-carboxylate Using HRMS and NMR". Chromatographia, 2024, 1705, 3582-3603.