[
  {
    "gtc_id":	"G21477KY",
    "iupac_condensed":	"Gal(b1-6)Gal(b1-6)Gal(b1-6)Gal",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	666.22
  }
]