?-L-Rhap-(1->?)[beta-D-GlcpNAc-(1->?)]-alpha-D-Manp-(1->3)?-L-Rhap-(1->?)[beta-D-GlcpNAc-(1->?)]-alpha-D-Manp-(1->6)[?-D-Xylp-(1->?)]-beta-D-Manp-(1->]