[
  {
    "gtc_id":	"G66271HF",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  },
  {
    "gtc_id":	"G76244OS",
    "iupac_condensed":	"Glc(a1-4)GlcA2,3NAc2(b1-4)GlcNAc3NAc(a1-4)ManA2,3NAc2(b1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	940.34
  }
]