pent-4-enyl 2,3-di-O-benzyl-5-O-(2-O-benzoyl-3,5-di-O-benzyl-β-D-ribofuranosyl)-α-D-arabinofuranoside

(2R,3S,4S,5S)-2-(((tert-butyldiphenylsilyl)oxy)methyl)-5-(pent-4-en-1-yloxy)tetrahydrofuran-3,4-diol

3,5-di-O-benzyl-α-D-ribofuranoside (prop-2-yn-1-yl)-1,2-orthobenzoate