发明人郑宇鹏,李文辉,冯建国. "Method for the Synthesis of Methyl 2-(4-ethynyl-1H-pyrazol-1-yl)acetate" [P]. 中国发明专利, 专利号 CN 108223642 B, 授权公告日 2016-06-17.
Klinger H, O'Brien P Q, Roberts E F. "A Process for Preparing High-Purity Methyl 2-(4-ethynyl-1H-pyrazol-1-yl)acetate" [P]. US Patent, US 11628203 B2, 2025-01-06.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2024, 2119, 3891-3899.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2010, 2256, 6041-6053.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 2-(4-ethynyl-1H-pyrazol-1-yl)acetate Using HRMS and NMR". Talanta, 2010, 1155, (8), 2011-2036.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2022, 1715, 3147-3154.