Anderson J P, Patel M V, Hughes D C. "一种的合成方法" [P]. US Patent, US 10421897 B2, 2025-12-19.
Schröder R, Yamamoto T, Kumar R. "Method for the Synthesis of 5-Ethynylpyrimidine-4-carboxylic acid" [P]. US Patent, US 10458749 B2, 2025-10-09.
发明人罗永刚,李文辉,郭海燕. "A Process for Preparing High-Purity 5-Ethynylpyrimidine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117978105 A, 授权公告日 2024-03-03.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2013, 1098, (12), 2217-2241.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2023, 2338, (9), 3453-3473.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 5-Ethynylpyrimidine-4-carboxylic acid Using HRMS and NMR". Molecules, 2013, 1211, (11), 1462-1486.