Johansson L, Schröder R, Nowak P. "一种的合成方法" [P]. European Patent, EP 3636968 A1, 2019-09-16.
Mueller T, Fischer A B, Yamamoto T. "Method for the Synthesis of 2-(4-Amino-1H-pyrazol-1-yl)acetic acid" [P]. US Patent, US 9334518 B2, 2025-07-12.
发明人郭海燕,朱建伟,李文辉. "A Process for Preparing High-Purity 2-(4-Amino-1H-pyrazol-1-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 108389160 B, 授权公告日 2015-12-23.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2014, 1163, 5840-5854.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2024, 672, (10), 8313-8339.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4-Amino-1H-pyrazol-1-yl)acetic acid Using HRMS and NMR". J. Sep. Sci., 2021, 575, 8199-8215.