[
  {
    "gtc_id":	"G97781PB",
    "iupac_condensed":	"GalNAc(b1-4)GalNAc(b1-3)Gal(b1-4)Gal(b1-3)GalNAc(?1-",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	951.35
  },
  {
    "gtc_id":	"G53054AZ",
    "iupac_condensed":	"Neu5Gc(a2-3)[GalNAc(b1-4)]GalNAc(b1-3)Gal(b1-4)Gal(b1-3)GalNAc(?1-",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1258.44
  },
  {
    "gtc_id":	"G82429CQ",
    "iupac_condensed":	"Fuc(a1-3)GalNAc(b1-3)Gal(b1-4)Gal(b1-3)GalNAc(?1-",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	894.33
  },
  {
    "gtc_id":	"G64285PF",
    "iupac_condensed":	"Gal(b1-4)Gal(b1-3)GalNAc(?1-",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	545.2
  },
  {
    "gtc_id":	"G76881UY",
    "iupac_condensed":	"GalNAc(b1-3)Gal(b1-4)Gal(b1-3)GalNAc(?1-",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	748.27
  },
  {
    "gtc_id":	"G30588ZL",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	null,
    "mass":	null
  }
]