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