Kowalski A, Björnsson E, Nielsen H. "一种的合成方法" [P]. European Patent, EP 3398098 A1, 2020-07-25.
发明人罗永刚,胡光,韩伟. "Method for the Synthesis of 2-((5-Ethyl-5H-[1,2,4]triazino[5,6-b]indol-3-yl)thio)acetic acid" [P]. 中国发明专利, 专利号 CN 108904077 A, 授权公告日 2019-12-15.
发明人马晓峰,赵玉洁,高志强. "A Process for Preparing High-Purity 2-((5-Ethyl-5H-[1,2,4]triazino[5,6-b]indol-3-yl)thio)acetic acid" [P]. 中国发明专利, 专利号 CN 108032636 B, 授权公告日 2025-10-09.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2010, 373, (5), 239-261.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2018, 103, (5), 3601-3611.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 2-((5-Ethyl-5H-[1,2,4]triazino[5,6-b]indol-3-yl)thio)acetic acid Using HRMS and NMR". Chromatographia, 2023, 133, 2498-2508.