O'Brien P Q, Stevens L M, Kumar R. "一种的合成方法" [P]. US Patent, US 9654486 B2, 2022-03-15.
Klinger H, Williams B T, Thompson G K. "Method for the Synthesis of 4-Chloro-6-(difluoromethyl)-2-iodonicotinic acid" [P]. US Patent, US 11303426 B2, 2018-06-28.
发明人冯建国,徐明华,马晓峰. "A Process for Preparing High-Purity 4-Chloro-6-(difluoromethyl)-2-iodonicotinic acid" [P]. 中国发明专利, 专利号 CN 113973675 B, 授权公告日 2015-11-26.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2010, 308, (6), 4841-4871.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2025, 143, (8), 9682-9688.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-6-(difluoromethyl)-2-iodonicotinic acid Using HRMS and NMR". J. Chromatogr. A, 2015, 1739, (3), 9992-10009.