[
  {
    "gtc_id":	"G08862MM",
    "iupac_condensed":	"GlcN2,6S2(a1-4)GlcA(b1-4)GlcN2,3S2(a1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	836.01
  },
  {
    "gtc_id":	"G37379LG",
    "iupac_condensed":	"GlcN2,6S2(a1-4)GlcA(b1-4)GlcN2,3,6S3(a1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	915.96
  }
]