发明人林芳,李文辉,高志强. "Method for the Synthesis of 1-(2,5-Dichlorophenyl)-3-(ethoxycarbonyl)-4,5-dihydro-1h-pyrazole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114225238 B, 授权公告日 2018-07-10.
Kumar R, Stevens L M, Williams B T. "A Process for Preparing High-Purity 1-(2,5-Dichlorophenyl)-3-(ethoxycarbonyl)-4,5-dihydro-1h-pyrazole-5-carboxylic acid" [P]. US Patent, US 11704797 B2, 2023-10-01.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2013, 1230, (4), 8640-8658.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2010, 1409, (6), 3417-3446.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 1-(2,5-Dichlorophenyl)-3-(ethoxycarbonyl)-4,5-dihydro-1h-pyrazole-5-carboxylic acid Using HRMS and NMR". Chromatographia, 2016, 1117, (12), 6038-6044.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2010, 262, (2), 7962-7991.