Lefèvre J P, Kowalski A, Sørensen M. "一种的合成方法" [P]. European Patent, EP 3989498 A1, 2022-01-07.
发明人郭海燕,韩伟,钱学锋. "Method for the Synthesis of 6-[methyl(phenyl)amino]pyridine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111444556 B, 授权公告日 2024-01-04.
发明人郭海燕,周伟,钱学锋. "A Process for Preparing High-Purity 6-[methyl(phenyl)amino]pyridine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108954023 A, 授权公告日 2021-12-07.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2016, 1233, (5), 9123-9148.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2015, 219, 5047-5051.