The molecule is the organosulfate oxoanion formed by deprotonation of the sulfo groups in alpha-D-Glcp6S-(1->4)-beta-D-Glcp6SOMe. It is a conjugate base of an alpha-D-Glcp6S-(1->4)-beta-D-Glcp6SOMe.
[(2R,3S,4S,5R,6R)-6-[(2R,3S,4R,5R,6R)-4,5-dihydroxy-6-methoxy-2-(sulfonatooxymethyl)oxan-3-yl]oxy-3,4,5-trihydroxyoxan-2-yl]methyl sulfate