[
  {
    "gtc_id":	"G20228HQ",
    "iupac_condensed":	"GlcA(b1-3)GalNAc4S(b1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	477.08
  },
  {
    "gtc_id":	"G39269SV",
    "iupac_condensed":	"IdoA(a1-3)GalNAc(b1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	397.12
  },
  {
    "gtc_id":	"G12916RQ",
    "iupac_condensed":	"GlcA(b1-3)GalNAc(b1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	397.12
  },
  {
    "gtc_id":	"G18253ON",
    "iupac_condensed":	"GlcA(b1-3)GalNAc6S(b1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	477.08
  },
  {
    "gtc_id":	"G20291UE",
    "iupac_condensed":	"IdoA(a1-3)GalNAc4S(b1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	477.08
  }
]