freeEnd--1a1D-GalNAc,p(--3b1D-Gal,p--3b1D-GlcNAc,p--?b1D-Gal,p--3b1D-GlcNAc,p(--??1D-Gal,p--3a2D-NeuAc,p)--??1L-Fuc,p)--6b1D-GlcNAc,p--4b1D-Gal,p$MONO,Und,0,0,freeEnd
