(2,5-dioxopyrrolidin-1-yl) 2,3-dihydroxy-5-nitrobenzoate

(2S,3R,4R,5R)-2-[6-(Benzoylamino)purin-9-yl]-5-({2-[(2,3-dihydroxy-5-nitrobenzoyl)amino]ethoxy}methyl)tetrahydrofuran-3,4-diyl diacetate

N-(2-[{(2S,3R,4R,5R)-5-[4-(Benzoylamino)-6-oxo-1,6-dihydropyrimidin-1-yl]-3,4-dihydrotetrahydrofuran-2-yl}methoxy]ethyl)-2,3-dihydroxy-5-nitrobenzamide

(2S,3R,4R,5R)-2-[4-(Benzoylamino)-6-oxo-1,6-dihydropyrimidin-1-yl]-5-({2-[(2,3-dihydroxy-5-nitrobenzoyl)amino]ethoxy}methyl)tetrahydrofuran-3,4-diyl diacetate

(2S,3R,4R,5R)-2-[2-(Benzoylamino)-2-oxo-1,2-dihydropyrimidin-1-yl]-5-({2-[(2,3-dihydroxy-5-nitrobenzoyl)amino]ethoxy}methyl)tetrahydrofuran-3,4-diyl diacetate