发明人何建平,李文辉,王建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111646584 A, 授权公告日 2015-01-12.
发明人赵玉洁,韩伟,钱学锋. "Method for the Synthesis of 3-Phenyl-6-(thiophen-2-yl)-[1,2]oxazolo[5,4-b]pyridine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109866126 A, 授权公告日 2015-12-08.
发明人唐晓军,朱建伟,何建平. "A Process for Preparing High-Purity 3-Phenyl-6-(thiophen-2-yl)-[1,2]oxazolo[5,4-b]pyridine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117831138 B, 授权公告日 2023-03-21.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2022, 1448, 8123-8142.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2023, 1071, (3), 4574-4581.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 3-Phenyl-6-(thiophen-2-yl)-[1,2]oxazolo[5,4-b]pyridine-4-carboxylic acid Using HRMS and NMR". J. Sep. Sci., 2010, 1501, (9), 4581-4609.