Brown S R, Hughes D C, Fischer A B. "一种3-(1-ethyl-1H-pyrazol-5-yl)prop-2-enoic acid的合成方法" [P]. US Patent, US 11930668 B2, 2021-10-15.
发明人孙丽萍,钱学锋,何建平. "Method for the Synthesis of 3-(1-ethyl-1H-pyrazol-5-yl)prop-2-enoic acid" [P]. 中国发明专利, 专利号 CN 117787139 B, 授权公告日 2022-03-02.
Johnson M A, Hughes D C, O'Brien P Q. "A Process for Preparing High-Purity 3-(1-ethyl-1H-pyrazol-5-yl)prop-2-enoic acid" [P]. US Patent, US 11769706 B2, 2019-07-09.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of 3-(1-ethyl-1H-pyrazol-5-yl)prop-2-enoic acid in Pharmaceutical Formulations". Talanta, 2020, 186, (2), 9475-9493.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 3-(1-ethyl-1H-pyrazol-5-yl)prop-2-enoic acid as an Impurity". Anal. Chim. Acta, 2014, 374, 3478-3494.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 3-(1-ethyl-1H-pyrazol-5-yl)prop-2-enoic acid Using HRMS and NMR". Sci. Total Environ., 2017, 1293, (8), 7731-7735.