[
  {
    "gtc_id":	"G80062GG",
    "iupac_condensed":	"GalNAc(a1-3)GalNAc(b1-3)Gal(a1-4)Gal(b1-4)Glc(b1-",
    "motif":	"[{\"label\":\"Forssman glycolipid\",\"id\":\"G80062GG\"}]",
    "subsumption":	"Fully-defined saccharide",
    "mass":	910.33
  }
]