发明人钱学锋,何建平,李文辉. "Method for the Synthesis of Ethyl 3-(4-chlorobenzamido)-2-oxo-6-phenyl-2H-pyran-5-carboxylate" [P]. 中国发明专利, 专利号 CN 117165858 A, 授权公告日 2020-06-14.
发明人孙丽萍,高志强,冯建国. "A Process for Preparing High-Purity Ethyl 3-(4-chlorobenzamido)-2-oxo-6-phenyl-2H-pyran-5-carboxylate" [P]. 中国发明专利, 专利号 CN 114049521 B, 授权公告日 2024-10-04.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2017, 1344, 9011-9029.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2012, 2468, 4996-5019.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 3-(4-chlorobenzamido)-2-oxo-6-phenyl-2H-pyran-5-carboxylate Using HRMS and NMR". J. Nat. Prod., 2012, 761, (10), 5737-5747.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2011, 1954, 3333-3353.