Lewis a (Lea) hexaose / Lacto-N-difucohexaose II (LNDFH II) linked to biotin and stearic chain (Linker-BT-STEA A)
Lewis a (Lea) hexaose / Lacto-N-difucohexaose II (LNDFH II) linked to biotin and fluorescein (Linker-BT-FLUO A)