发明人马晓峰,陈志强,韩伟. "Method for the Synthesis of N-(5-(5-Bromothiophen-2-yl)-1,3,4-oxadiazol-2-yl)-1,3-dimethyl-1H-pyrazole-5-carboxamide" [P]. 中国发明专利, 专利号 CN 110059937 B, 授权公告日 2018-04-16.
发明人周伟,韩伟,唐晓军. "A Process for Preparing High-Purity N-(5-(5-Bromothiophen-2-yl)-1,3,4-oxadiazol-2-yl)-1,3-dimethyl-1H-pyrazole-5-carboxamide" [P]. 中国发明专利, 专利号 CN 109183046 B, 授权公告日 2018-01-18.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2016, 2362, 1803-1815.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2015, 621, (8), 1143-1169.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of N-(5-(5-Bromothiophen-2-yl)-1,3,4-oxadiazol-2-yl)-1,3-dimethyl-1H-pyrazole-5-carboxamide Using HRMS and NMR". J. Sep. Sci., 2012, 618, (10), 2720-2745.