发明人孙丽萍,刘建华,黄志刚. "Method for the Synthesis of 4-[(4-Nitro-1H-pyrazol-1-yl)methyl]benzoic acid" [P]. 中国发明专利, 专利号 CN 116305340 A, 授权公告日 2023-04-07.
发明人赵玉洁,冯建国,陈志强. "A Process for Preparing High-Purity 4-[(4-Nitro-1H-pyrazol-1-yl)methyl]benzoic acid" [P]. 中国发明专利, 专利号 CN 114690456 A, 授权公告日 2025-03-21.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2023, 1789, (6), 5203-5224.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2017, 1489, 7056-7066.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 4-[(4-Nitro-1H-pyrazol-1-yl)methyl]benzoic acid Using HRMS and NMR". Talanta, 2023, 1391, (9), 2784-2814.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2011, 2040, (12), 7310-7325.