2-[((3aR,4R,6R,6aR)-6-Methoxy-2,2-dimethylperhydrofuro[3,4-d][1,3]dioxol-4-yl)methoxy]ethylamine

(2S,3R,4R,5R)-2-[4-(Benzoylamino)-2-oxo-1,2-dihydropyrimidin-1-yl]-5-[(2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}ethoxy)methyl]tetrahydrofuran-3,4-diyl diacetate