发明人赵玉洁,郑宇鹏,韩伟. "Method for the Synthesis of 2-(Difluoromethyl)-4-nitro-5-(trifluoromethoxy)pyridine-3-acetonitrile" [P]. 中国发明专利, 专利号 CN 113913509 A, 授权公告日 2023-11-03.
发明人钱学锋,刘建华,罗永刚. "A Process for Preparing High-Purity 2-(Difluoromethyl)-4-nitro-5-(trifluoromethoxy)pyridine-3-acetonitrile" [P]. 中国发明专利, 专利号 CN 117445618 B, 授权公告日 2017-08-25.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2025, 801, 8926-8946.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2013, 1979, (4), 6002-6017.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethyl)-4-nitro-5-(trifluoromethoxy)pyridine-3-acetonitrile Using HRMS and NMR". J. Pharm. Biomed. Anal., 2011, 767, (5), 6083-6091.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2023, 216, (12), 4202-4208.