Acetic acid (3aR,4R,6R,6aR)-6-(tert-butyl-dimethyl-silanyloxymethyl)-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-yl ester

1-O-acetyl-5-O-(tert-butyldimethylsilyl)-2,3-O-isopropylidene-β-D-ribofuranose