[
  {
    "gtc_id":	"G21339JI",
    "iupac_condensed":	"Glc(a1-?)Gal(a1-3)[Gal(a1-6)]Glc",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	666.22
  },
  {
    "gtc_id":	"G36738IO",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1061.36
  }
]