beta-D-Xylp-(1->2)beta-D-Galp-(1->3)[alpha-L-Fucp-(1->4)]-beta-D-GlcpNAc-(1->2)-alpha-D-Manp-(1->?)[beta-D-GlcpNAc-(1->2)-alpha-D-Manp-(1->?)]-beta-D-Manp-(1->]