Chen K W, Johnson M A, Park J H. "Method for the Synthesis of 4,5-dimethyl-1H-pyrazol-3-amine acetate" [P]. US Patent, US 11117650 B2, 2023-02-06.
发明人钱学锋,王建平,马晓峰. "A Process for Preparing High-Purity 4,5-dimethyl-1H-pyrazol-3-amine acetate" [P]. 中国发明专利, 专利号 CN 112060546 B, 授权公告日 2025-02-12.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2014, 2322, (1), 4922-4932.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2011, 156, (3), 1984-1996.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 4,5-dimethyl-1H-pyrazol-3-amine acetate Using HRMS and NMR". Biomed. Chromatogr., 2021, 950, (2), 3625-3639.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2019, 1760, 4254-4270.