[
  {
    "gtc_id":	"G17846GU",
    "iupac_condensed":	"Ara(a1-3)[Xyl(b1-2)]GlcA(b1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	458.13
  },
  {
    "gtc_id":	"G90465YT",
    "iupac_condensed":	"Glc(b1-2)[Ara(a1-3)]GlcA(b1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	488.14
  },
  {
    "gtc_id":	"G10153OG",
    "iupac_condensed":	"Glc(b1-2)GlcA(b1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	356.1
  }
]