alpha-D-Neup5Ac-(2->3)-beta-D-Galp-(1->?)-beta-D-GlcpNAc-(1->?)[beta-D-Galp-(1->?)-beta-D-GlcpNAc-(1->?)]-alpha-D-Manp-(1->?)[alpha-D-Manp-(1->?)[alpha-D-Manp-(1->?)]-alpha-D-Manp-(1->?)]-beta-D-Manp-(1->4)-beta-D-GlcpNAc-(1->4)-beta-D-GlcpNAc-(1->
