[
  {
    "gtc_id":	"G88192MM",
    "iupac_condensed":	"Neu5Ac(a2-3)[Gal(a1-3)Gal(b1-3)GalNAc(b1-4)]Gal(b1-4)Glc(b1-",
    "motif":	"[{\"label\":\"GM1\",\"id\":\"G48558GR\"},{\"label\":\"a-Gal antigen\",\"id\":\"G24432YB\"}]",
    "subsumption":	"Fully-defined saccharide",
    "mass":	1160.4
  }
]