Chen K W, Fischer A B, Kumar R. "一种的合成方法" [P]. US Patent, US 10556887 B2, 2019-01-10.
发明人韩伟,徐明华,马晓峰. "Method for the Synthesis of 4-Cyano-5-(difluoromethyl)-3-iodopicolinic acid" [P]. 中国发明专利, 专利号 CN 117336415 A, 授权公告日 2021-07-22.
发明人朱建伟,刘建华,李文辉. "A Process for Preparing High-Purity 4-Cyano-5-(difluoromethyl)-3-iodopicolinic acid" [P]. 中国发明专利, 专利号 CN 109586090 A, 授权公告日 2017-05-26.
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". Chromatographia, 2012, 1083, (9), 8554-8577.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2025, 265, (11), 5489-5508.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 4-Cyano-5-(difluoromethyl)-3-iodopicolinic acid Using HRMS and NMR". Biomed. Chromatogr., 2013, 176, (2), 1904-1933.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2012, 1320, 1553-1578.