[
  {
    "gtc_id":	"G51453EC",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	1379.4
  },
  {
    "gtc_id":	"G44079FP",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	1856.52
  }
]