发明人何建平,徐明华,冯建国. "Method for the Synthesis of 2-(2-(3,4-Dimethoxyphenyl)acetyl)-N-methylhydrazine-1-carbothioamide" [P]. 中国发明专利, 专利号 CN 114340444 B, 授权公告日 2024-01-12.
发明人沈红梅,唐晓军,李文辉. "A Process for Preparing High-Purity 2-(2-(3,4-Dimethoxyphenyl)acetyl)-N-methylhydrazine-1-carbothioamide" [P]. 中国发明专利, 专利号 CN 111464546 B, 授权公告日 2015-11-16.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2024, 432, (5), 5570-5582.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2020, 499, 5190-5206.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 2-(2-(3,4-Dimethoxyphenyl)acetyl)-N-methylhydrazine-1-carbothioamide Using HRMS and NMR". J. Pharm. Biomed. Anal., 2012, 2219, (1), 4386-4398.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2025, 1887, 7457-7480.