[
  {
    "gtc_id":	"G01200UV",
    "iupac_condensed":	"Glc(b1-3)[Xyl(b1-2)]Glc(b1-",
    "motif":	"[{\"label\":\"Glucosylceramide\",\"id\":\"G71142DF\"}]",
    "subsumption":	"Fully-defined saccharide",
    "mass":	474.16
  },
  {
    "gtc_id":	"G03621JU",
    "iupac_condensed":	"Rha(a1-3)Glc",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	326.12
  }
]