2-[1-[(2R,4S,5S)-4-azido-5-(hydroxymethyl)oxolan-2-yl]-2,4-dioxopyrimidin-5-yl]oxyacetonitrile

[3-azido-5-(2,4-dioxopyrimidin-1-yl)oxolan-2-yl]methyl acetate

3-叠氮基-2,3-二脱氧-5-甲基胞啶