发明人高志强,周伟,钱学锋. "Method for the Synthesis of 3-Amino-5-isopropylpyrazine-2-carbonitrile" [P]. 中国发明专利, 专利号 CN 114820896 B, 授权公告日 2019-12-19.
Hughes D C, Kumar R, Chen K W. "A Process for Preparing High-Purity 3-Amino-5-isopropylpyrazine-2-carbonitrile" [P]. US Patent, US 10905517 B2, 2021-11-17.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2011, 1084, (3), 8572-8594.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2010, 1656, (6), 9698-9705.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 3-Amino-5-isopropylpyrazine-2-carbonitrile Using HRMS and NMR". J. Pharm. Biomed. Anal., 2018, 1931, 4216-4234.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2021, 795, 7989-8015.