[
  {
    "gtc_id":	"G64175AZ",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  },
  {
    "gtc_id":	"G39507BK",
    "iupac_condensed":	null,
    "motif":	"[{\"label\":\"O-Glycan core 1\",\"id\":\"G00031MO\"},{\"label\":\"T antigen\",\"id\":\"G00031MO\"},{\"label\":\"TF antigen\",\"id\":\"G00031MO\"}]",
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  }
]