发明人朱建伟,唐晓军,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109350037 A, 授权公告日 2024-01-14.
Mueller T, Fischer A B, Kumar R. "Method for the Synthesis of Methyl 5-oxo-4,5-dihydro-1h-pyrazole-3-carboxylate" [P]. US Patent, US 10324567 B2, 2019-01-09.
发明人林芳,何建平,唐晓军. "A Process for Preparing High-Purity Methyl 5-oxo-4,5-dihydro-1h-pyrazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 111158011 B, 授权公告日 2017-09-10.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2022, 2097, (1), 6308-6315.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2020, 1957, (3), 9261-9280.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 5-oxo-4,5-dihydro-1h-pyrazole-3-carboxylate Using HRMS and NMR". Environ. Sci. Technol., 2014, 159, 5096-5117.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2020, 957, 2644-2652.