beta-D-ManpNAc-(1->4)-alpha-D-Glcp-(1->2)-alpha-L-Rhap-(1->4)-beta-D-ManpNAc-(1->4)-alpha-D-Glcp-(1->2)-alpha-L-Rhap-(1->4)-beta-D-ManpNAc-(1->4)-alpha-D-Glcp-(1->2)-alpha-L-Rhap(1->