[
  {
    "gtc_id":	"G76361NQ",
    "iupac_condensed":	"Glc(b1-4)Xyl(b1-4)Glc(b1-",
    "motif":	"[{\"label\":\"Glucosylceramide\",\"id\":\"G71142DF\"}]",
    "subsumption":	"Fully-defined saccharide",
    "mass":	474.16
  },
  {
    "gtc_id":	"G77350QW",
    "iupac_condensed":	"Glc(b1-4)Xyl(b1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	312.11
  }
]