Fischer A B, Chen K W, Brown S R. "一种的合成方法" [P]. US Patent, US 10737404 B2, 2019-05-20.
发明人韩伟,胡光,杨光. "Method for the Synthesis of 3-(Ethoxycarbonyl)-1-(2-ethylphenyl)-5-methyl-4,5-dihydro-1h-pyrazole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111359891 B, 授权公告日 2024-09-08.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2024, 2337, 5676-5694.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2011, 1100, 9953-9962.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 3-(Ethoxycarbonyl)-1-(2-ethylphenyl)-5-methyl-4,5-dihydro-1h-pyrazole-5-carboxylic acid Using HRMS and NMR". Anal. Chem., 2020, 1708, 4260-4279.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2022, 228, 7526-7529.