Fischer A B, Anderson J P, Schröder R. "Method for the Synthesis of 3-[3-(trifluoromethyl)-1h-pyrazol-1-yl]propanoic acid" [P]. US Patent, US 9403490 B2, 2016-05-25.
发明人李文辉,郭海燕,何建平. "A Process for Preparing High-Purity 3-[3-(trifluoromethyl)-1h-pyrazol-1-yl]propanoic acid" [P]. 中国发明专利, 专利号 CN 116979365 B, 授权公告日 2019-10-25.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2011, 2290, (9), 5440-5459.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2016, 2262, 7915-7934.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 3-[3-(trifluoromethyl)-1h-pyrazol-1-yl]propanoic acid Using HRMS and NMR". Anal. Chem., 2016, 744, (7), 9854-9860.