[
  {
    "gtc_id":	"G16073PH",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  },
  {
    "gtc_id":	"G97599KE",
    "iupac_condensed":	"Man(a1-3)Man(a1-3)GlcNAc(b1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	545.2
  },
  {
    "gtc_id":	"G25656CV",
    "iupac_condensed":	"Man(b1-2)Man(a1-2)Man",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	504.17
  },
  {
    "gtc_id":	"G40440IC",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  }
]