(2R,3S,5S,6R)-2,3,5-trihydroxy-6-(hydroxymethyl)oxan-4-one (2R,3S,5S,6R)-2,3,5-trihydroxy-6-(hydroxymethyl)tetrahydropyran-4-one (2R,3S,5S,6R)-2,3,5-trihydroxy-6-(hydroxymethyl)-4-tetrahydropyranone (2R,3S,5S,6R)-2,3,5-trihydroxy-6-methylol-tetrahydropyran-4-one C05394 CHEBI:27453 beta-D-xylo-hexopyranos-3-ulose