?-D-Galp-(1->?),?-D-GlcpNAc-(1->?),?-D-Manp-(1->?)[?-D-Manp-(1->?)]-alpha-D-Manp-(1->3/6)[?-D-GlcpNAc-(1->?)-alpha-D-Manp-(1->3/6)]-beta-D-Manp-(1->4)-beta-D-GlcpNAc-(1->4)-beta-D-GlcpNAc(1->