freeEnd--1?1HexNAc,p(--??1HexNAc,p--??1Hex,p((--??1Hex,p--??1HexNAc,p)--??1Hex,p--??1HexNAc,p)--??1Pen,p)--??1dHex,p$MONO,Und,0,0,freeEnd
