Roberts E F, Anderson J P, Fischer A B. "一种的合成方法" [P]. US Patent, US 10115420 B2, 2015-08-28.
Hughes D C, Fischer A B, Patel M V. "Method for the Synthesis of 2-(5-Amino-3-cyclopropyl-1H-pyrazol-1-yl)acetic acid" [P]. US Patent, US 11605321 B2, 2023-04-02.
Björnsson E, Kowalski A, Johansson L. "A Process for Preparing High-Purity 2-(5-Amino-3-cyclopropyl-1H-pyrazol-1-yl)acetic acid" [P]. European Patent, EP 3079712 A1, 2023-01-27.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2018, 780, (10), 2108-2112.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2013, 221, (3), 1670-1700.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 2-(5-Amino-3-cyclopropyl-1H-pyrazol-1-yl)acetic acid Using HRMS and NMR". Chromatographia, 2023, 2258, 824-853.