Martínez F, Björnsson E, Nielsen H. "一种methyl 2-(5-oxo-4,5-dihydro-1H-pyrazol-3-yl)acetate的合成方法" [P]. European Patent, EP 3688849 A1, 2022-04-07.
发明人林芳,王建平,李文辉. "Method for the Synthesis of methyl 2-(5-oxo-4,5-dihydro-1H-pyrazol-3-yl)acetate" [P]. 中国发明专利, 专利号 CN 117735436 B, 授权公告日 2016-06-25.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of methyl 2-(5-oxo-4,5-dihydro-1H-pyrazol-3-yl)acetate in Pharmaceutical Formulations". Anal. Methods, 2012, 2480, 5627-5641.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of methyl 2-(5-oxo-4,5-dihydro-1H-pyrazol-3-yl)acetate as an Impurity". J. Sep. Sci., 2023, 564, (9), 8887-8895.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of methyl 2-(5-oxo-4,5-dihydro-1H-pyrazol-3-yl)acetate Using HRMS and NMR". Environ. Sci. Technol., 2023, 1224, (12), 3906-3914.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate methyl 2-(5-oxo-4,5-dihydro-1H-pyrazol-3-yl)acetate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2014, 2308, (11), 6674-6703.