alpha-D-GalpA-(1->4)-alpha-D-GalpA-(1->4)-alpha-D-GalpA-(1->4)-alpha-D-GalpA-(1->2)-alpha-L-Rhap-(1->4)-alpha-D-GalpA-(1->2)-alpha-L-Rhap-(1->4)-alpha-D-GalpA-(1->2)-?-D-GalpA(1->