Thompson G K, Kumar R, Yamamoto T. "一种的合成方法" [P]. US Patent, US 9407774 B2, 2024-02-05.
Thompson G K, Brown S R, Yamamoto T. "Method for the Synthesis of Ethyl 1,3-diphenyl-4,5-dihydro-1H-pyrazole-5-carboxylate" [P]. US Patent, US 10515697 B2, 2024-02-26.
发明人李文辉,马晓峰,刘建华. "A Process for Preparing High-Purity Ethyl 1,3-diphenyl-4,5-dihydro-1H-pyrazole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 111575245 A, 授权公告日 2017-04-16.
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". Rapid Commun. Mass Spectrom., 2017, 1542, (9), 6462-6479.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2014, 775, (2), 1039-1068.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 1,3-diphenyl-4,5-dihydro-1H-pyrazole-5-carboxylate Using HRMS and NMR". Biomed. Chromatogr., 2016, 147, 5453-5481.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2018, 716, 9233-9247.