发明人郑宇鹏,钱学锋,罗永刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117607938 A, 授权公告日 2015-05-04.
发明人陈志强,朱建伟,何建平. "Method for the Synthesis of 1-(2-Fluorophenyl)-3-hydroxy-1H-pyrazole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112442247 B, 授权公告日 2023-06-04.
发明人郑宇鹏,周伟,李文辉. "A Process for Preparing High-Purity 1-(2-Fluorophenyl)-3-hydroxy-1H-pyrazole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112743346 A, 授权公告日 2017-03-12.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2013, 814, 9971-9977.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2013, 1783, (11), 9933-9937.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 1-(2-Fluorophenyl)-3-hydroxy-1H-pyrazole-5-carboxylic acid Using HRMS and NMR". J. Agric. Food Chem., 2017, 1654, 7979-8000.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2018, 730, (9), 9278-9297.