for the following products
(3R,4R,5R)-2-Acetoxy-5-((benzoyloxy)methyl)tetrahydrofuran-3,4-diyl dibenzoate | 1-O-Acetyl-2,3,5-tri-O-benzoyl-D-ribofuranose | [(2R,3R,4R)-5-Acetyloxy-3,4-dibenzoyloxyoxolan-2-yl]methyl benzoate and 1-O-Acetyl-2,3,5-tri-O-benzoyl-alpha,beta-D-ribofuranose
