[beta-D-Xylf-(1->2)-[alpha-L-Manp-(1->?)-alpha-L-Manp-(1->?)-[alpha-L-Manp-(1->?)-beta-L-Manp-(1->4)]]-beta-D-GlcpNAc-(1->4)-alpha-D-Fucp-(1->3)-?-D-GlcpNAc(1-]-