发明人周伟,林芳,何建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111286724 A, 授权公告日 2017-03-12.
发明人张德明,李文辉,杨光. "Method for the Synthesis of 4-(5-(4-Methoxyphenyl)-3-(p-tolyl)-4,5-dihydro-1H-pyrazol-1-yl)-4-oxobutanoic acid" [P]. 中国发明专利, 专利号 CN 114671756 A, 授权公告日 2024-08-04.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2014, 743, (8), 5845-5856.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2017, 686, 2821-2824.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 4-(5-(4-Methoxyphenyl)-3-(p-tolyl)-4,5-dihydro-1H-pyrazol-1-yl)-4-oxobutanoic acid Using HRMS and NMR". Phytochemistry, 2014, 918, 5791-5808.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2021, 1794, 6182-6200.