发明人周伟,唐晓军,何建平. "Method for the Synthesis of 3-carbamoylpyrazine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110521385 B, 授权公告日 2018-10-09.
发明人周伟,何建平,胡光. "A Process for Preparing High-Purity 3-carbamoylpyrazine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113704597 B, 授权公告日 2021-03-10.
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". J. Agric. Food Chem., 2016, 2297, 4303-4324.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2016, 2426, (12), 7455-7461.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 3-carbamoylpyrazine-2-carboxylic acid Using HRMS and NMR". Anal. Methods, 2025, 1047, (8), 3394-3415.