O'Brien P Q, Park J H, Chen K W. "一种的合成方法" [P]. US Patent, US 10488676 B2, 2022-07-17.
Björnsson E, Schröder R, Jørgensen K. "Method for the Synthesis of 2-[(3-Aminopyridin-2-yl)methylene]hydrazinecarbothioamide" [P]. European Patent, EP 3907705 A1, 2018-07-19.
发明人罗永刚,黄志刚,胡光. "A Process for Preparing High-Purity 2-[(3-Aminopyridin-2-yl)methylene]hydrazinecarbothioamide" [P]. 中国发明专利, 专利号 CN 115685219 B, 授权公告日 2024-03-24.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2015, 1787, 4819-4844.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2022, 748, (7), 9200-9216.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 2-[(3-Aminopyridin-2-yl)methylene]hydrazinecarbothioamide Using HRMS and NMR". Anal. Chem., 2013, 366, (5), 7183-7196.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2021, 1481, 4634-4662.