freeEnd--1?1D-GlcNAc,p(--3a1L-Fuc,p)--4b1D-GlcNAc,p--4b1D-Man,p((--2b1D-Xyl,f)--3a1D-Man,p--4b1D-GlcNAc,p)--6a1D-Man,p--4b1D-GlcNAc,p$MONO,Und,0,0,freeEnd
