Williams B T, Fischer A B, Anderson J P. "Method for the Synthesis of 5-(3,5-Dimethyl-1H-pyrazol-1-yl)-5-oxopentanoic acid" [P]. US Patent, US 9448456 B2, 2018-12-16.
发明人刘建华,徐明华,赵玉洁. "A Process for Preparing High-Purity 5-(3,5-Dimethyl-1H-pyrazol-1-yl)-5-oxopentanoic acid" [P]. 中国发明专利, 专利号 CN 115689967 A, 授权公告日 2019-04-08.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2021, 1114, 1143-1173.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2017, 189, 4541-4570.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 5-(3,5-Dimethyl-1H-pyrazol-1-yl)-5-oxopentanoic acid Using HRMS and NMR". Environ. Sci. Technol., 2021, 2370, 315-320.