发明人李文辉,孙丽萍,陈志强. "Method for the Synthesis of 5-cyclopropyl-1-(2-methylpropyl)-1H-pyrazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116581118 A, 授权公告日 2015-05-24.
发明人赵玉洁,李文辉,唐晓军. "A Process for Preparing High-Purity 5-cyclopropyl-1-(2-methylpropyl)-1H-pyrazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108296853 B, 授权公告日 2015-07-28.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of 5-cyclopropyl-1-(2-methylpropyl)-1H-pyrazole-4-carboxylic acid in Pharmaceutical Formulations". Anal. Chim. Acta, 2017, 821, 5785-5800.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of 5-cyclopropyl-1-(2-methylpropyl)-1H-pyrazole-4-carboxylic acid as an Impurity". J. Chromatogr. A, 2014, 768, 9199-9217.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 5-cyclopropyl-1-(2-methylpropyl)-1H-pyrazole-4-carboxylic acid Using HRMS and NMR". Chromatographia, 2014, 1267, (2), 4108-4112.