BLE-B-PENTASACCHARIDE;ISO-B-PENTASACCHARIDE;ALPHA-FUC-[1->2][ALPHA-GAL-(1->3)]-BETA-GAL-[1->3][ALPHA-FUC-(1->4)]-GLC;iso-B-pentasaccharide from human urine;α-fuc-(1→2)(α-gal-[1→3])-β-gal-(1→3)(α-fuc-[1→4])-glc;BLeb-Pentasaccharide, α-Gal-(1-3)-(α-Fuc-[1-2])-β-Gal-(1-3)-(α-Fuc-[1-4])-Glc