[
  {
    "gtc_id":	"G57142RN",
    "iupac_condensed":	"Rha(a1-2)[Araf(a1-4)]Glc(b1-",
    "motif":	"[{\"label\":\"Glucosylceramide\",\"id\":\"G71142DF\"}]",
    "subsumption":	"Fully-defined saccharide",
    "mass":	458.16
  }
]