[
  {
    "gtc_id":	"G17935MK",
    "iupac_condensed":	"GalA2NAc6Me(a1-3)Bac2Ac(a1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	435.19
  },
  {
    "gtc_id":	"G39832RY",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  }
]