Mueller T C, Schröder R, Jørgensen K. "一种的合成方法" [P]. European Patent, EP 3693222 A1, 2019-08-13.
发明人赵玉洁,杨光,孙丽萍. "Method for the Synthesis of 6-Nitro-[1,2,4]triazolo[4,3-a]pyridin-3(2h)-imine" [P]. 中国发明专利, 专利号 CN 112779712 B, 授权公告日 2020-12-01.
发明人陈志强,李文辉,刘建华. "A Process for Preparing High-Purity 6-Nitro-[1,2,4]triazolo[4,3-a]pyridin-3(2h)-imine" [P]. 中国发明专利, 专利号 CN 108867390 A, 授权公告日 2020-02-21.
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". Biomed. Chromatogr., 2021, 285, 6962-6982.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2022, 318, 5988-6004.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 6-Nitro-[1,2,4]triazolo[4,3-a]pyridin-3(2h)-imine Using HRMS and NMR". Anal. Methods, 2016, 2456, (3), 2381-2386.