发明人郭海燕,郑宇鹏,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114391212 A, 授权公告日 2020-05-09.
O'Brien P Q, Lee S K, Klinger H. "Method for the Synthesis of 4-(Difluoromethyl)-5-methoxy-6-(trifluoromethoxy)nicotinaldehyde" [P]. US Patent, US 10395635 B2, 2020-05-25.
Fischer A B, Roberts E F, Lee S K. "A Process for Preparing High-Purity 4-(Difluoromethyl)-5-methoxy-6-(trifluoromethoxy)nicotinaldehyde" [P]. US Patent, US 10199476 B2, 2015-06-18.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2016, 748, (8), 5597-5613.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2019, 1490, (3), 8706-8732.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Difluoromethyl)-5-methoxy-6-(trifluoromethoxy)nicotinaldehyde Using HRMS and NMR". Anal. Chem., 2020, 279, (5), 2061-2075.