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