[
  {
    "gtc_id":	"G56185ML",
    "iupac_condensed":	"Rha(a1-2)Xyl(b1-2)GlcA6Me(b1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	486.16
  },
  {
    "gtc_id":	"G57119DC",
    "iupac_condensed":	"Rha(a1-2)Gal(b1-2)GlcA6Me(b1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	516.17
  }
]