[
  {
    "gtc_id":	"G04991IT",
    "iupac_condensed":	"Kdn(a2-6)GalNAc-ol",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	473.17
  },
  {
    "gtc_id":	"G04762ZR",
    "iupac_condensed":	"Kdn(a2-3)[Kdn(a2-6)]GalNAc-ol",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	723.24
  }
]