发明人张德明,李文辉,郑宇鹏. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114007582 A, 授权公告日 2025-12-24.
Fischer A B, Patel M V, O'Brien P Q. "Method for the Synthesis of [(1-cyano-1-methylethyl)amino]thiourea" [P]. US Patent, US 9924993 B2, 2024-04-12.
发明人马晓峰,杨光,黄志刚. "A Process for Preparing High-Purity [(1-cyano-1-methylethyl)amino]thiourea" [P]. 中国发明专利, 专利号 CN 109777103 A, 授权公告日 2022-08-11.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2016, 2360, (7), 8261-8265.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2023, 1100, (10), 6493-6509.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of [(1-cyano-1-methylethyl)amino]thiourea Using HRMS and NMR". J. Sep. Sci., 2019, 260, 6617-6626.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2017, 875, (11), 4023-4034.