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

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