Nowak P, Martínez F, Schröder R. "一种的合成方法" [P]. European Patent, EP 3968510 A1, 2022-12-19.
Kowalski A, Björnsson E, Johansson L. "Method for the Synthesis of 3-(Difluoromethyl)-4-(hydroxymethyl)-5-methylpicolinonitrile" [P]. European Patent, EP 3358670 A1, 2025-12-28.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2020, 714, 8560-8571.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2014, 2464, 5851-5879.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 3-(Difluoromethyl)-4-(hydroxymethyl)-5-methylpicolinonitrile Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2021, 708, (9), 2155-2178.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2010, 2403, (12), 1629-1638.