[
  {
    "gtc_id":	"G82955IW",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	282.1
  },
  {
    "gtc_id":	"G15977FT",
    "iupac_condensed":	"Glc(b1-2)[Rha(a1-2)Glc(b1-4)]Ara(a1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	620.22
  }
]