发明人张德明,黄志刚,王建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117208319 A, 授权公告日 2022-07-21.
Brown S R, Kumar R, Johnson M A. "Method for the Synthesis of Ethyl 4-(3-methyl-pyrazol-1-yl)butyrate" [P]. US Patent, US 11382794 B2, 2017-03-25.
Stevens L M, Anderson J P, Brown S R. "A Process for Preparing High-Purity Ethyl 4-(3-methyl-pyrazol-1-yl)butyrate" [P]. US Patent, US 10969653 B2, 2021-11-20.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2023, 2296, 5442-5452.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2011, 1443, (7), 9833-9863.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-(3-methyl-pyrazol-1-yl)butyrate Using HRMS and NMR". Molecules, 2020, 1656, 6881-6887.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2020, 1782, 5223-5242.