Chen K W, Davis P L, O'Brien P Q. "一种的合成方法" [P]. US Patent, US 9197672 B2, 2015-04-19.
Park J H, Anderson J P, Patel M V. "Method for the Synthesis of 2-Cyclopropyl-1-methyl-6-oxo-1,6-dihydropyrimidine-4-carboxylic acid" [P]. US Patent, US 11425280 B2, 2021-11-12.
发明人李文辉,唐晓军,周伟. "A Process for Preparing High-Purity 2-Cyclopropyl-1-methyl-6-oxo-1,6-dihydropyrimidine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113169021 A, 授权公告日 2024-03-06.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2022, 1146, 7893-7903.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2016, 1594, 8665-8672.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 2-Cyclopropyl-1-methyl-6-oxo-1,6-dihydropyrimidine-4-carboxylic acid Using HRMS and NMR". Talanta, 2022, 594, 198-211.