freeEnd--?D-GlcNAc--4b1D-GlcNAc,p(--3/6a1D-Man,p--2b1D-GlcNAc,p--4b1Hex,p--3a2D-NeuAc,p)--3/6a1D-Man,p--2b1D-GlcNAc,p--4b1D-Gal,p$MONO,Und,0,0,freeEnd
