发明人黄志刚,周伟,马晓峰. "Method for the Synthesis of 1-Methyl-5-(methylsulfonyl)-1H-pyrazole-4-carbonitrile" [P]. 中国发明专利, 专利号 CN 112666718 B, 授权公告日 2024-12-19.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2016, 1322, 4362-4377.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2010, 862, (8), 781-802.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 1-Methyl-5-(methylsulfonyl)-1H-pyrazole-4-carbonitrile Using HRMS and NMR". J. Pharm. Biomed. Anal., 2025, 2026, (11), 1573-1603.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2016, 161, (12), 929-938.