[
  {
    "gtc_id":	"G71705HC",
    "iupac_condensed":	"GlcA(a1-4)Kdn8P",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	524.08
  },
  {
    "gtc_id":	"G14226PU",
    "iupac_condensed":	"Gal(a1-6)Glc(b1-7)Neu5Ac(?2-",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	633.21
  },
  {
    "gtc_id":	"G44795NZ",
    "iupac_condensed":	"GlcA(a1-4)Kdn",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	444.11
  }
]