[
  {
    "gtc_id":	"G82053RU",
    "iupac_condensed":	"Rha(a1-4)Glc(b1-",
    "motif":	"[{\"label\":\"Glucosylceramide\",\"id\":\"G71142DF\"}]",
    "subsumption":	"Fully-defined saccharide",
    "mass":	326.12
  },
  {
    "gtc_id":	"G40780EY",
    "iupac_condensed":	"Rha(a1-2)Glc(b1-2)Ara(a1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	458.16
  }
]