[
  {
    "gtc_id":	"G44405PH",
    "iupac_condensed":	null,
    "motif":	"[{\"label\":\"Mannose\",\"id\":\"G70323CJ\"},{\"label\":\"O-Mannose\",\"id\":\"G70323CJ\"}]",
    "subsumption":	null,
    "mass":	null
  },
  {
    "gtc_id":	"G31061FM",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  }
]