Lewis x (Lex) hexaose / Lacto-N-neodifucohexaose (LNnDFH) linked to biotin with cleavable linker (Linker-CLBT A)
Lewis a (Lea) hexaose / Lacto-N-difucohexaose II (LNDFH II) linked to biotin with cleavable linker (Linker-CLBT A)