[
  {
    "gtc_id":	"G30409YH",
    "iupac_condensed":	"Glc(b1-3)Glc(b1-3)Glc",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	504.17
  },
  {
    "gtc_id":	"G03895OL",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	null
  }
]