Yamamoto T, Thompson G K, Chen K W. "一种的合成方法" [P]. US Patent, US 10671274 B2, 2021-03-03.
Roberts E F, Thompson G K, O'Brien P Q. "Method for the Synthesis of 6-Oxo-5,6-dihydropyrazine-2-carboxylic acid" [P]. US Patent, US 11222089 B2, 2025-04-08.
Klinger H, Kumar R, Thompson G K. "A Process for Preparing High-Purity 6-Oxo-5,6-dihydropyrazine-2-carboxylic acid" [P]. US Patent, US 10047976 B2, 2017-11-17.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2023, 1085, (7), 3408-3417.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2018, 1314, (12), 3002-3008.