Kumar R, Mueller T, Yamamoto T. "Method for the Synthesis of 3-Cyano-1-methyl-1H-pyrazole-5-carboxamide" [P]. US Patent, US 10403025 B2, 2025-11-15.
发明人唐晓军,周伟,李文辉. "A Process for Preparing High-Purity 3-Cyano-1-methyl-1H-pyrazole-5-carboxamide" [P]. 中国发明专利, 专利号 CN 108163261 B, 授权公告日 2023-09-18.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2012, 124, 7331-7347.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2012, 1198, 2224-2240.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 3-Cyano-1-methyl-1H-pyrazole-5-carboxamide Using HRMS and NMR". J. Nat. Prod., 2018, 2150, (2), 6847-6863.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2015, 1083, 6944-6950.