Anderson J P, Fischer A B, O'Brien P Q. "Method for the Synthesis of 4,6-Dimethyl-2-(pyrrolidin-1-yl)pyridine-3-carbothioamide" [P]. US Patent, US 9893629 B2, 2022-01-12.
Hughes D C, Fischer A B, Lee S K. "A Process for Preparing High-Purity 4,6-Dimethyl-2-(pyrrolidin-1-yl)pyridine-3-carbothioamide" [P]. US Patent, US 9792591 B2, 2024-11-13.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2020, 298, 9755-9768.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2010, 678, (12), 3585-3612.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 4,6-Dimethyl-2-(pyrrolidin-1-yl)pyridine-3-carbothioamide Using HRMS and NMR". J. Sep. Sci., 2020, 1820, 6524-6543.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2015, 1648, (12), 7521-7539.