[
  {
    "gtc_id":	"G18793ZW",
    "iupac_condensed":	null,
    "motif":	"[{\"label\":\"Polysialic acid\",\"id\":\"G00065MO\"}]",
    "subsumption":	"Fully-defined saccharide",
    "mass":	2433.74
  },
  {
    "gtc_id":	"G43883KP",
    "iupac_condensed":	null,
    "motif":	"[{\"label\":\"GM4\",\"id\":\"G30207PZ\"}]",
    "subsumption":	"Fully-defined saccharide",
    "mass":	2433.74
  },
  {
    "gtc_id":	"G36348JQ",
    "iupac_condensed":	"Kdo(a2-4)Kdo(a2-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	458.13
  }
]