[
  {
    "gtc_id":	"G79802MR",
    "iupac_condensed":	"Glc(b1-2)[Rha(a1-3)]GlcA(b1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	502.15
  },
  {
    "gtc_id":	"G94772HD",
    "iupac_condensed":	"Rha(a1-3)GlcA(b1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	340.1
  },
  {
    "gtc_id":	"G40145VW",
    "iupac_condensed":	"Rha(a1-3)[Xyl(b1-2)]GlcA(b1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	472.14
  }
]