[
  {
    "gtc_id":	"G63043VD",
    "iupac_condensed":	"Glc(b1-2)[?-Ara?(?1-3)]GlcA(b1-",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	488.14
  },
  {
    "gtc_id":	"G59840HE",
    "iupac_condensed":	"Glc(b1-3)[Glc(b1-6)]Glc(b1-3)Glc",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	666.22
  },
  {
    "gtc_id":	"G12700WA",
    "iupac_condensed":	"?-Ara?(?1-3)[Xyl?(?1-2)]GlcA(b1-",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	458.13
  }
]