[
  {
    "gtc_id":	"G63899VB",
    "iupac_condensed":	"GlcNAc(b1-2)[GlcNAc(b1-4)]Man(a1-3)[GlcNAc(b1-2)[GlcNAc(b1-4)]Man(a1-6)]Man(b1-4)GlcNAc(b1-4)GlcNAc",
    "motif":	"[{\"label\":\"N-Glycan complex\",\"id\":\"G00030MO\"}]",
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1722.65
  },
  {
    "gtc_id":	"G28431AN",
    "iupac_condensed":	null,
    "motif":	"[{\"label\":\"I' antigen\",\"id\":\"G00058MO\"},{\"label\":\"Type 2 LN2\",\"id\":\"G00058MO\"}]",
    "subsumption":	"Linkage-defined saccharide",
    "mass":	null
  },
  {
    "gtc_id":	"G02524YV",
    "iupac_condensed":	"GlcNAc(b1-2)[GlcNAc(b1-4)]Man(a1-3)Man(b1-4)GlcNAc(b1-4)GlcNAc",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1154.43
  },
  {
    "gtc_id":	"G82829MF",
    "iupac_condensed":	"GlcNAc(b1-2)[GlcNAc(b1-4)]Man(a1-3)[GlcNAc(b1-2)[GlcNAc(b1-4)]Man(a1-6)]Man(b1-4)GlcNAc(b1-4)GlcNAc(?1-",
    "motif":	"[{\"label\":\"N-Glycan complex\",\"id\":\"G00030MO\"}]",
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1722.65
  },
  {
    "gtc_id":	"G38424XU",
    "iupac_condensed":	"GlcNAc(b1-2)[GlcNAc(b1-4)]Man(a1-3)Man(b1-4)GlcNAc(b1-4)GlcNAc(?1-",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1154.43
  }
]