[
  {
    "gtc_id":	"G13641KC",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  },
  {
    "gtc_id":	"G70786WF",
    "iupac_condensed":	"D-Rha(a1-3)FucNAc(a1-3)GlcNAc(b1-2)Galf(b1-3)Gal",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	878.34
  }
]