发明人郑宇鹏,刘建华,沈红梅. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112721114 A, 授权公告日 2017-04-02.
Rossi M, Mueller T C, Kowalski A. "Method for the Synthesis of 3-Amino-1-isopropyl-1H-pyrazole-4-carboxylic acid" [P]. European Patent, EP 3071845 A1, 2017-01-13.
Fischer A B, Williams B T, Kumar R. "A Process for Preparing High-Purity 3-Amino-1-isopropyl-1H-pyrazole-4-carboxylic acid" [P]. US Patent, US 10441482 B2, 2021-03-25.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2019, 1292, (5), 5624-5653.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2010, 2387, 4557-4568.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 3-Amino-1-isopropyl-1H-pyrazole-4-carboxylic acid Using HRMS and NMR". Sci. Total Environ., 2017, 118, 3464-3467.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2025, 820, (2), 3305-3327.