alpha-D-NeupAc-(2->3)-[3)-beta-D-Galp-(1->4)[alpha-L-Fucp-(1->3)]-beta-D-GlcpNAc6S-(1->]n-beta-D-Galp-(1->3)[alpha-D-NeupAc-(2->3)-[3)-beta-D-Galp-(1->4)[alpha-L-Fucp-(1->3)]-beta-D-GlcpNAc6S-(1->]n]-alpha-D-GalpNAc(1->