preferred_name: Addition of GlcNAc to the glycan on the A arm (Gallus gallus)
preferred_name_lc: addition of glcnac to the glycan on the a arm (gallus gallus)
label: Addition of GlcNAc to the glycan on the A arm (Gallus gallus)
label_lc: addition of glcnac to the glycan on the a arm (gallus gallus)