[
  {
    "gtc_id":	"G93723GS",
    "iupac_condensed":	"GlcA(b1-",
    "motif":	null,
    "subsumption":	null,
    "mass":	null
  },
  {
    "gtc_id":	"G03220GG",
    "iupac_condensed":	"GalA(a1-4)GalA(a1-4)GalA(a1-4)GalA(a1-2)Rha(a1-4)GalA(a1-2)Rha(a1-4)GalA(a1-2)GalA(a1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	1542.35
  },
  {
    "gtc_id":	"G26080VZ",
    "iupac_condensed":	"Glc(b1-2)Glc(b1-",
    "motif":	"[{\"label\":\"Glucosylceramide\",\"id\":\"G71142DF\"}]",
    "subsumption":	"Fully-defined saccharide",
    "mass":	342.12
  },
  {
    "gtc_id":	"G47048RR",
    "iupac_condensed":	null,
    "motif":	"[{\"label\":\"Glucosylceramide\",\"id\":\"G71142DF\"}]",
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  },
  {
    "gtc_id":	"G42872DK",
    "iupac_condensed":	"Gal(b1-2)GlcA(b1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	356.1
  },
  {
    "gtc_id":	"G30041HW",
    "iupac_condensed":	"Rha(a1-2)Gal(b1-2)GlcA(b1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	502.15
  }
]