freeEnd--1?1D-GlcNAc,p(--??1L-Fuc,p)--4b1D-GlcNAc,p--4b1D-Man,p(--?a1D-Man,p--??1HexNAc--??1HexNAc)--?a1D-Man,p--??1HexNAc--??1Hex}--??2D-NeuAc,p$MONO,Und,0,0,freeEnd
