preferred_name: alpha-D-Manp-(1->2)-alpha-D-Manp-(1->2)-[alpha-D-Manp-(1->6)]-alpha-D-Manp-(1->3)-[alpha-D-Manp-(1->2)-alpha-D-Manp-(1->6)-[alpha-D-Manp-(1->3)]-alpha-D-Manp-(1->6)]-beta-D-Manp-(1->4)-beta-D-GlcpNAc-(1->4)-beta-D-GlcpNAc-yl group