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