preferred_name: 6-[amino acid carboxyl end amidated-6-phosphoethanolamine-alpha-D-mannosyl-(1->2)-alpha-D-mannosyl-(1->6)-2-phosphoethanolamine-alpha-D-mannosyl-(1->4)-alpha-D-glucosaminyl]-1D-myo-inositol-1-phosphate residue(2-)