[
  {
    "gtc_id":	"G33059TI",
    "iupac_condensed":	"GlcA(?1-",
    "motif":	null,
    "subsumption":	null,
    "mass":	null
  },
  {
    "gtc_id":	"G98792XW",
    "iupac_condensed":	"?-Rha(?1-6)Glc(b1-",
    "motif":	"[{\"label\":\"Glucosylceramide\",\"id\":\"G71142DF\"}]",
    "subsumption":	"Linkage-defined saccharide",
    "mass":	326.12
  },
  {
    "gtc_id":	"G00793IQ",
    "iupac_condensed":	"Glc2,3,4,6Ac4(b1-",
    "motif":	null,
    "subsumption":	null,
    "mass":	null
  }
]