发明人黄志刚,刘建华,赵玉洁. "Method for the Synthesis of Butyl 4-(2-oxo-2H-chromene-3-carboxamido)benzoate" [P]. 中国发明专利, 专利号 CN 108429804 A, 授权公告日 2018-02-25.
发明人刘建华,陈志强,胡光. "A Process for Preparing High-Purity Butyl 4-(2-oxo-2H-chromene-3-carboxamido)benzoate" [P]. 中国发明专利, 专利号 CN 113454932 B, 授权公告日 2021-04-06.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2024, 1241, (4), 4817-4842.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2022, 936, (3), 8901-8912.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Butyl 4-(2-oxo-2H-chromene-3-carboxamido)benzoate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2011, 1490, (11), 6230-6259.