发明人李文辉,胡光,孙丽萍. "一种1-异丙基吡唑-5-甲酸的合成方法" [P]. 中国发明专利, 专利号 CN 111176751 A, 授权公告日 2022-09-25.
发明人胡光,罗永刚,杨光. "Method for the Synthesis of 1-Isopropylpyrazole-5-carboxylic Acid" [P]. 中国发明专利, 专利号 CN 111454846 B, 授权公告日 2019-08-27.
发明人赵玉洁,韩伟,高志强. "A Process for Preparing High-Purity 1-Isopropylpyrazole-5-carboxylic Acid" [P]. 中国发明专利, 专利号 CN 108004332 B, 授权公告日 2019-08-17.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of 1-异丙基吡唑-5-甲酸 in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2013, 1546, (7), 6153-6175.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1-异丙基吡唑-5-甲酸 as an Impurity". Molecules, 2024, 96, (2), 2521-2531.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 1-Isopropylpyrazole-5-carboxylic Acid Using HRMS and NMR". Talanta, 2014, 1882, 2170-2183.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate 1-异丙基吡唑-5-甲酸 Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2018, 2290, 4436-4440.