Lewis a (Lea) hexaose / Lacto-N-difucohexaose II (LNDFH II) linked to biotin and fluorescein (Linker-BT-FLUO A)
3'-Sialyllactose (3'-SL) / GM3 Ganglioside oligosaccharide linked to biotin and fluorescein (Linker-BT-FLUO A)