发明人赵玉洁,王建平,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117596161 A, 授权公告日 2021-08-19.
发明人李文辉,马晓峰,何建平. "Method for the Synthesis of 2-(4-Ethynyl-1H-pyrazol-1-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 111905173 B, 授权公告日 2024-10-15.
发明人周伟,李文辉,林芳. "A Process for Preparing High-Purity 2-(4-Ethynyl-1H-pyrazol-1-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 109221369 B, 授权公告日 2023-12-08.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2024, 1104, (9), 5183-5206.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2025, 616, (5), 6282-6295.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4-Ethynyl-1H-pyrazol-1-yl)acetic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2012, 2476, (10), 1321-1350.