[
  {
    "gtc_id":	"G49930HB",
    "iupac_condensed":	"GlcNAc(b1-2)Man(a1-3)[GlcNAc(b1-2)Man(a1-6)][Xyl(b1-2)]Man(b1-4)GlcNAc(b1-4)[Fuc(a1-3)]GlcNAc(?1-",
    "motif":	"[{\"label\":\"N-Glycan complex\",\"id\":\"G00030MO\"}]",
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1594.59
  }
]