[
  {
    "gtc_id":	"G50750CV",
    "iupac_condensed":	"Glc(b1-2)[Glc(b1-4)Gal(b1-4)]D-Fuc(b1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	650.23
  }
]