发明人高志强,何建平,周伟. "Method for the Synthesis of Ethyl 2-[1-(2,4-difluorophenyl)-1H-pyrazol-5-yl]-3-phenylpropanoate" [P]. 中国发明专利, 专利号 CN 109117599 A, 授权公告日 2024-01-28.
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". J. Pharm. Biomed. Anal., 2019, 1190, (6), 642-648.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2013, 1420, (6), 1591-1611.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-[1-(2,4-difluorophenyl)-1H-pyrazol-5-yl]-3-phenylpropanoate Using HRMS and NMR". Biomed. Chromatogr., 2016, 2462, (2), 1380-1402.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2011, 848, (11), 328-344.