发明人钱学锋,何建平,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116399936 A, 授权公告日 2019-04-13.
发明人唐晓军,周伟,徐明华. "Method for the Synthesis of 3-(Difluoromethyl)-5-nitroisonicotinonitrile" [P]. 中国发明专利, 专利号 CN 116783465 A, 授权公告日 2023-07-04.
发明人黄志刚,何建平,林芳. "A Process for Preparing High-Purity 3-(Difluoromethyl)-5-nitroisonicotinonitrile" [P]. 中国发明专利, 专利号 CN 116234058 B, 授权公告日 2016-07-25.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2013, 759, (2), 1285-1313.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2012, 969, (1), 9860-9867.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 3-(Difluoromethyl)-5-nitroisonicotinonitrile Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2012, 1491, 9167-9179.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2019, 1960, (10), 9211-9220.