freeEnd--1?1HexNAc--??1HexNAc--??1Hex(--??1Hex--??1HexNAc--??1Hex--??1HexNAc--??1Hex--??1HexNAc--??1Hex--??1HexNAc--??1Hex)--??1Hex--??1HexNAc--??1Hex--??2D-NeuGc,p$MONO,Und,0,0,freeEnd
