发明人韩伟,张德明,郭海燕. "Method for the Synthesis of 3-(Difluoromethyl)-5-formyl-2-methoxyisonicotinonitrile" [P]. 中国发明专利, 专利号 CN 112524012 B, 授权公告日 2024-04-22.
Mueller T, Roberts E F, Patel M V. "A Process for Preparing High-Purity 3-(Difluoromethyl)-5-formyl-2-methoxyisonicotinonitrile" [P]. US Patent, US 9367079 B2, 2016-03-25.
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". Anal. Chem., 2018, 1664, (9), 6383-6389.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2020, 1241, (3), 4583-4612.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 3-(Difluoromethyl)-5-formyl-2-methoxyisonicotinonitrile Using HRMS and NMR". Anal. Methods, 2013, 1710, (3), 7301-7322.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2021, 984, (3), 1139-1160.