发明人郭海燕,罗永刚,冯建国. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113582850 A, 授权公告日 2025-04-01.
Johansson L, Schröder R, Kowalski A. "Method for the Synthesis of 4-(Difluoromethyl)-3-formyl-6-methylpicolinonitrile" [P]. European Patent, EP 3419128 A1, 2025-11-25.
发明人周伟,李文辉,罗永刚. "A Process for Preparing High-Purity 4-(Difluoromethyl)-3-formyl-6-methylpicolinonitrile" [P]. 中国发明专利, 专利号 CN 117687410 A, 授权公告日 2019-01-20.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2012, 2028, 9186-9215.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2014, 1303, 5161-5164.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Difluoromethyl)-3-formyl-6-methylpicolinonitrile Using HRMS and NMR". Talanta, 2020, 2091, (11), 7978-7981.