[
  {
    "gtc_id":	"G50037OE",
    "iupac_condensed":	"Xyl(b1-3)Xyl(b1-4)Rha(a1-2)Xyl(b1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	560.2
  },
  {
    "gtc_id":	"G16448CJ",
    "iupac_condensed":	"Gal(b1-3)GlcA(b1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	356.1
  }
]