[
  {
    "gtc_id":	"G70190NW",
    "iupac_condensed":	"GalNAc(b1-4)[Glc(a1-2)Man6PEtn(a1-2)Man(a1-6)]Man2PEtn(a1-4)GlcN(a1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	1276.39
  },
  {
    "gtc_id":	"G90791XF",
    "iupac_condensed":	"GalNAc(b1-4)[Glc(a1-2)Man6PEtn(a1-2)Man?PEtn(a1-6)]Man2PEtn(a1-4)GlcN(a1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	1399.4
  }
]