发明人赵玉洁,马晓峰,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110429631 A, 授权公告日 2017-03-04.
发明人林芳,王建平,朱建伟. "Method for the Synthesis of 1-Isopropyl-4-((1-methyl-1H-pyrazol-4-yl)ethynyl)-1H-pyrazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115894398 A, 授权公告日 2015-05-02.
发明人韩伟,徐明华,孙丽萍. "A Process for Preparing High-Purity 1-Isopropyl-4-((1-methyl-1H-pyrazol-4-yl)ethynyl)-1H-pyrazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114777348 A, 授权公告日 2021-07-18.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2011, 1040, (8), 5723-5729.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2015, 279, (4), 9738-9758.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 1-Isopropyl-4-((1-methyl-1H-pyrazol-4-yl)ethynyl)-1H-pyrazole-3-carboxylic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2012, 2085, (2), 4058-4069.