发明人杨光,沈红梅,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112063153 A, 授权公告日 2016-10-17.
Roberts E F, Thompson G K, Yamamoto T. "Method for the Synthesis of 2-Methyl-3,4,5,6-tetrahydropyrimidine-4-carboxylic acid" [P]. US Patent, US 11855240 B2, 2023-05-25.
Roberts E F, Johnson M A, Fischer A B. "A Process for Preparing High-Purity 2-Methyl-3,4,5,6-tetrahydropyrimidine-4-carboxylic acid" [P]. US Patent, US 9835363 B2, 2021-05-17.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2012, 502, (7), 6781-6795.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2024, 824, (4), 3533-3563.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 2-Methyl-3,4,5,6-tetrahydropyrimidine-4-carboxylic acid Using HRMS and NMR". Chromatographia, 2016, 1548, 7188-7194.