发明人何建平,沈红梅,王建平. "Method for the Synthesis of 5-(4-Chlorophenyl)-N-(2,5-dimethoxyphenyl)-1-phenyl-1H-pyrazole-3-carboxamide" [P]. 中国发明专利, 专利号 CN 110092646 B, 授权公告日 2020-08-16.
发明人李文辉,何建平,张德明. "A Process for Preparing High-Purity 5-(4-Chlorophenyl)-N-(2,5-dimethoxyphenyl)-1-phenyl-1H-pyrazole-3-carboxamide" [P]. 中国发明专利, 专利号 CN 110659516 A, 授权公告日 2015-01-02.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2016, 1934, 3772-3786.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2018, 2209, (4), 1203-1207.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 5-(4-Chlorophenyl)-N-(2,5-dimethoxyphenyl)-1-phenyl-1H-pyrazole-3-carboxamide Using HRMS and NMR". Food Chem., 2020, 248, 1907-1931.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2014, 1398, (1), 1131-1160.