beta-D-GalNAc-(1->4)-beta-D-GlcA2S-(1->3)-beta-D-GalNAc6S-(1->4)-beta-D-GlcA-(1->3)-beta-D-Gal-(1->3)-beta-D-Gal-(1->4)-beta-D-Xyl-yl group
beta-d-galnac-(1->4)-beta-d-glca2s-(1->3)-beta-d-galnac6s-(1->4)-beta-d-glca-(1->3)-beta-d-gal-(1->3)-beta-d-gal-(1->4)-beta-d-xyl-yl group