发明人钱学锋,张德明,朱建伟. "Method for the Synthesis of 2-(4-bromo-1H-pyrazol-1-yl)butanoic acid" [P]. 中国发明专利, 专利号 CN 108823351 A, 授权公告日 2017-02-12.
Stevens L M, Schröder R, Chen K W. "A Process for Preparing High-Purity 2-(4-bromo-1H-pyrazol-1-yl)butanoic acid" [P]. US Patent, US 10799378 B2, 2022-10-14.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2024, 2378, (11), 8454-8467.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2013, 2193, (10), 9871-9898.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4-bromo-1H-pyrazol-1-yl)butanoic acid Using HRMS and NMR". Chromatographia, 2015, 1890, (6), 2647-2673.