[
  {
    "gtc_id":	"G34517ZJ",
    "iupac_condensed":	"GalA(a1-4)GalA(a1-4)GalA(a1-4)GalA(a1-2)Rha",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	868.2
  },
  {
    "gtc_id":	"G81237JC",
    "iupac_condensed":	"GalA(a1-2)Rha(b1-4)GalA",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	516.13
  }
]