发明人周伟,郑宇鹏,韩伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115813910 A, 授权公告日 2025-11-16.
Brown S R, Johnson M A, O'Brien P Q. "Method for the Synthesis of 4-(Difluoromethyl)-5-hydroxy-3-nitropicolinoyl chloride" [P]. US Patent, US 9443570 B2, 2023-03-19.
发明人钱学锋,胡光,罗永刚. "A Process for Preparing High-Purity 4-(Difluoromethyl)-5-hydroxy-3-nitropicolinoyl chloride" [P]. 中国发明专利, 专利号 CN 114860710 A, 授权公告日 2025-09-18.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2024, 2127, 1126-1141.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2021, 353, 3719-3729.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Difluoromethyl)-5-hydroxy-3-nitropicolinoyl chloride Using HRMS and NMR". J. Agric. Food Chem., 2016, 316, (11), 6717-6745.