发明人韩伟,陈志强,胡光. "Method for the Synthesis of 2-(1H-Pyrazol-4-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 116070985 B, 授权公告日 2025-08-09.
发明人周伟,刘建华,罗永刚. "A Process for Preparing High-Purity 2-(1H-Pyrazol-4-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 111381532 B, 授权公告日 2019-04-05.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of 2-(1H-吡唑-4-基)乙酸 in Pharmaceutical Formulations". Chromatographia, 2016, 643, 8859-8862.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2-(1H-吡唑-4-基)乙酸 as an Impurity". Environ. Sci. Technol., 2013, 486, (11), 2686-2709.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 2-(1H-Pyrazol-4-yl)acetic acid Using HRMS and NMR". Anal. Chim. Acta, 2024, 118, 8559-8571.