[
  {
    "gtc_id":	"G34353GT",
    "iupac_condensed":	"Araf(a1-2)[Glc(b1-6)]Glc(b1-",
    "motif":	"[{\"label\":\"Glucosylceramide\",\"id\":\"G71142DF\"}]",
    "subsumption":	"Fully-defined saccharide",
    "mass":	474.16
  },
  {
    "gtc_id":	"G75366PQ",
    "iupac_condensed":	"Glc(b1-3)Rha(a1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	326.12
  }
]