freeEnd--1?1D-Glc,p--??1D-Gal,p--??1D-GlcNAc,p--??1D-Gal,p--??1D-GlcNAc,p--??1D-Gal,p--??1D-GlcA,p--3S$MONO,Und,0,0,freeEnd
