beta-D-GlcpNAc6S-(1->3)-beta-D-Galp6S-(1->4)-beta-D-GlcpNAc6S-(1->3)-beta-D-Galp6S-(1->4)-beta-D-GlcpNAc6S-(1->3)-beta-D-Galp6S-(1->4)-beta-D-GlcpNAc6S-(1->3)-beta-D-Galp6S-(1->4)-beta-D-GlcpNAc6S-(1->3)-D-Gal(?->