[
  {
    "gtc_id":	"G89109LB",
    "iupac_condensed":	"GlcN(b1-4)GlcN(b1-4)GlcN(b1-4)GlcN(b1-4)GlcN(b1-4)GlcN",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	984.42
  }
]