[
  {
    "gtc_id":	"G17202ZW",
    "iupac_condensed":	"Gal3NAc(a1-2)[Rha(a1-3)]Rha(a1-3)Rha(a1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	659.26
  },
  {
    "gtc_id":	"G43951DK",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  },
  {
    "gtc_id":	"G60775FN",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  }
]