Klinger H, Hughes D C, Lee S K. "一种的合成方法" [P]. US Patent, US 9133212 B2, 2021-08-14.
Thompson G K, Patel M V, Hughes D C. "Method for the Synthesis of 4-Amino-6-methyl-3-sulfanyl-4,5-dihydro-1,2,4-triazin-5-one" [P]. US Patent, US 11738709 B2, 2022-10-04.
发明人韩伟,郑宇鹏,刘建华. "A Process for Preparing High-Purity 4-Amino-6-methyl-3-sulfanyl-4,5-dihydro-1,2,4-triazin-5-one" [P]. 中国发明专利, 专利号 CN 114502218 B, 授权公告日 2016-03-19.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2013, 712, 8402-8430.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2016, 1353, (8), 4882-4911.