1-[(2R,4S)-4-azido-5-[(1R)-1,2-dihydroxyethyl]oxolan-2-yl]-5-methylpyrimidine-2,4-dione

1-(3-azido-2,3-dideoxy-5,6-O-isopropylidene-β-D-ribo-hexofuranosyl)thymine

((2S,3S,5R)-3-azido-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl phosphate

KNI-1039

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