发明人胡光,徐明华,罗永刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115619957 A, 授权公告日 2017-07-21.
发明人郭海燕,杨光,林芳. "Method for the Synthesis of Methyl {(4E)-5-oxo-1-phenyl-4-[1-(1H-pyrazol-3-ylamino)-ethylidene]-4,5-dihydro-1H-pyrazol-3-yl}acetate" [P]. 中国发明专利, 专利号 CN 110178549 A, 授权公告日 2022-08-09.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2014, 231, 2549-2578.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2023, 2100, 1992-2007.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Methyl {(4E)-5-oxo-1-phenyl-4-[1-(1H-pyrazol-3-ylamino)-ethylidene]-4,5-dihydro-1H-pyrazol-3-yl}acetate Using HRMS and NMR". J. Sep. Sci., 2015, 2304, (12), 4615-4622.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2010, 1340, (3), 5094-5104.