[alpha-L-Manp-(1->6)-[alpha-L-Manp-(1->3)-alpha-L-Manp-(1->6)]-beta-L-GalpNAc3/4S-(1->4)-beta-D-GlcpNAc-(1->2)-alpha-L-Manp-(1->3)-beta-L-Manp-(1->4)]-beta-D-GlcpNAc-(1->4)-beta-D-GlcpNAc(1->