[
  {
    "gtc_id":	"G34959MP",
    "iupac_condensed":	"L-GulA(a1-4)ManA(b1-4)ManA(b1-4)L-GulA(a1-4)L-GulA(a1-4)ManA(b1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	1074.2
  },
  {
    "gtc_id":	"G37233OY",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  }
]