[
  {
    "gtc_id":	"G59370PX",
    "iupac_condensed":	"Glc(b1-2)[Ara(a1-3)][Araf(a1-4)]GlcA(b1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	620.18
  },
  {
    "gtc_id":	"G13619QU",
    "iupac_condensed":	"Ara(a1-3)[Araf(a1-4)]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
  }
]