3-C-benzyloxymethyl-3,5,6-trideoxy-1,2-O-isopropylidene-5-C-(4-methoxybenzyloxymethyl)-α-D-ribo-hex-5-enofuranose

3-C-benzyloxymethyl-3-deoxy-1,2-O-isopropylidene-6-O-(4-methoxybenzyl)-α-D-ribo-hexofuranos-5-ulose