发明人林芳,郭海燕,赵玉洁. "Method for the Synthesis of 5,6-Dimethylpyridine-2,4-dicarboxylic acid" [P]. 中国发明专利, 专利号 CN 110642794 B, 授权公告日 2018-11-05.
Schröder R, Sørensen M, Jørgensen K. "A Process for Preparing High-Purity 5,6-Dimethylpyridine-2,4-dicarboxylic acid" [P]. European Patent, EP 3074467 A1, 2025-01-05.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2021, 723, (3), 4699-4711.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2024, 1215, (12), 1959-1984.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 5,6-Dimethylpyridine-2,4-dicarboxylic acid Using HRMS and NMR". J. Agric. Food Chem., 2016, 1328, 7456-7476.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2013, 149, (3), 9726-9729.