Lee S K, Davis P L, O'Brien P Q. "一种的合成方法" [P]. US Patent, US 10730929 B2, 2018-07-14.
发明人罗永刚,钱学锋,郑宇鹏. "Method for the Synthesis of 3-Hydroxy-1-isopropyl-1H-pyrazole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111106104 A, 授权公告日 2017-02-23.
Mueller T C, Björnsson E, Jørgensen K. "A Process for Preparing High-Purity 3-Hydroxy-1-isopropyl-1H-pyrazole-5-carboxylic acid" [P]. European Patent, EP 3037209 A1, 2020-01-24.
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". Rapid Commun. Mass Spectrom., 2016, 2406, 2186-2192.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2016, 2080, (5), 2485-2512.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 3-Hydroxy-1-isopropyl-1H-pyrazole-5-carboxylic acid Using HRMS and NMR". Chromatographia, 2010, 1571, (4), 6708-6714.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2015, 1212, (8), 3244-3271.