[
  {
    "gtc_id":	"G37168BU",
    "iupac_condensed":	"Araf(a1-3)Gal(b1-6)Gal(?1-",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	474.16
  },
  {
    "gtc_id":	"G74464ZI",
    "iupac_condensed":	null,
    "motif":	"[{\"label\":\"Galactosylceramide\",\"id\":\"G65889KE\"}]",
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  }
]