发明人王建平,孙丽萍,胡光. "Method for the Synthesis of 2-[4-amino-3-(trifluoromethyl)-1H-pyrazol-1-yl]butanoic acid,HCl" [P]. 中国发明专利, 专利号 CN 112984164 B, 授权公告日 2020-05-08.
发明人胡光,赵玉洁,孙丽萍. "A Process for Preparing High-Purity 2-[4-amino-3-(trifluoromethyl)-1H-pyrazol-1-yl]butanoic acid,HCl" [P]. 中国发明专利, 专利号 CN 110476839 B, 授权公告日 2016-02-03.
参考文献 Literature
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Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 2-[4-amino-3-(trifluoromethyl)-1H-pyrazol-1-yl]butanoic acid,HCl Using HRMS and NMR". Biomed. Chromatogr., 2019, 1313, 3369-3392.