freeEnd--?D-GalNAc--3?1D-Gal,p--3b1D-GlcNAc,p--4?1D-Gal,p(--3b1D-GlcNAc,p--4?1D-Gal,p--3?1D-Gal,p)--6b1D-GlcNAc,p--4?1D-Gal,p--3?1D-Gal,p$MONO,Und,0,0,freeEnd
