freeEnd--?D-GlcNAc--4a1D-Man,p(--3b1D-Man,p--2b1D-GlcNAc,p--4b1D-Gal,p--6a2D-NeuAc,p)--6b1D-Man,p--2b1D-GlcNAc,p--4b1D-Gal,p--3a2D-NeuAc,p$MONO,Und,0,0,freeEnd
