[
  {
    "gtc_id":	"G27573QX",
    "iupac_condensed":	"Rha(a1-3)Xyl(b1-4)Rha(a1-2)Xyl(b1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	574.21
  }
]