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