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