[
  {
    "gtc_id":	"G85663SU",
    "iupac_condensed":	"GalNAc(a1-2)[GalNAc(a1-2)[GalNAc(a1-2)Qui3N(b1-4)]Qui3N(b1-4)Qui3N(b1-4)]Qui?3N(b1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	1207.54
  },
  {
    "gtc_id":	"G50320FJ",
    "iupac_condensed":	"GalNAc(a1-2)[GalNAc(a1-2)[GalNAc(a1-2)Qui3N(b1-4)]Qui3N(b1-4)Qui3N(b1-4)]Qui3N(b1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	1207.54
  },
  {
    "gtc_id":	"G07355IM",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  },
  {
    "gtc_id":	"G01662JH",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  }
]