(3S,4S,5R)-tribenzyloxy-(2R)-benzyloxymethyl-1,7-dioxa-(6S)-spiro<5,5>undecane

(2R,3R,4R,5S,6R)-2-(2,4-Dimethoxy-phenyl)-6-hydroxymethyl-tetrahydro-pyran-3,4,5-triol

(2R,3S,4R,5R,6R)-2-Hydroxymethyl-6-(2,4,6-trimethoxy-phenyl)-tetrahydro-pyran-3,4,5-triol