[
  {
    "gtc_id":	"G39862UJ",
    "iupac_condensed":	null,
    "motif":	"[{\"label\":\"Galactosylceramide\",\"id\":\"G65889KE\"}]",
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  }
]