发明人周伟,韩伟,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112217830 A, 授权公告日 2019-07-26.
发明人何建平,郭海燕,沈红梅. "Method for the Synthesis of Ethyl 2-oxo-4-propyl-2H-chromene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 113179729 A, 授权公告日 2018-07-07.
Patel M V, Davis P L, O'Brien P Q. "A Process for Preparing High-Purity Ethyl 2-oxo-4-propyl-2H-chromene-3-carboxylate" [P]. US Patent, US 11417386 B2, 2025-06-06.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2017, 1437, 3875-3884.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2011, 1248, (1), 7977-8003.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-oxo-4-propyl-2H-chromene-3-carboxylate Using HRMS and NMR". J. Nat. Prod., 2013, 537, (11), 6767-6791.