Patel M V, O'Brien P Q, Schröder R. "一种的合成方法" [P]. US Patent, US 11257864 B2, 2021-02-24.
发明人王建平,张德明,韩伟. "Method for the Synthesis of 2-Cyano-3-(difluoromethyl)-5-methylisonicotinic acid" [P]. 中国发明专利, 专利号 CN 108945332 A, 授权公告日 2020-09-14.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2013, 505, (5), 5658-5666.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2023, 1500, 334-344.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 2-Cyano-3-(difluoromethyl)-5-methylisonicotinic acid Using HRMS and NMR". Food Chem., 2012, 1406, 4910-4933.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2017, 203, (1), 8965-8983.