发明人孙丽萍,杨光,陈志强. "Method for the Synthesis of Methyl 5-[(E)-2-[4-(4-chlorophenoxy)-3-(2,6-dichlorophenyl)-[1,2]oxazolo[4,5-c]pyridin-7-yl]ethenyl]-3-(2,6-dichlorophenyl)-1,2-oxazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 117786442 A, 授权公告日 2019-09-23.
发明人刘建华,沈红梅,钱学锋. "A Process for Preparing High-Purity Methyl 5-[(E)-2-[4-(4-chlorophenoxy)-3-(2,6-dichlorophenyl)-[1,2]oxazolo[4,5-c]pyridin-7-yl]ethenyl]-3-(2,6-dichlorophenyl)-1,2-oxazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 111654571 B, 授权公告日 2022-11-18.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2019, 1934, (1), 39-49.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2015, 1955, (11), 3138-3150.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 5-[(E)-2-[4-(4-chlorophenoxy)-3-(2,6-dichlorophenyl)-[1,2]oxazolo[4,5-c]pyridin-7-yl]ethenyl]-3-(2,6-dichlorophenyl)-1,2-oxazole-4-carboxylate Using HRMS and NMR". Anal. Chem., 2011, 1422, 5731-5742.