freeEnd--1a1D-GalNAc,p(--3b1D-Gal,p--??2D-NeuAc,p)--6b1D-GlcNAc,p--??1D-Gal,p--??1D-GlcNAc,p--??1D-Gal,p--??1D-GlcNAc,p--??1D-Gal,p$MONO,Und,0,0,freeEnd
