[
  {
    "gtc_id":	"G28553JC",
    "iupac_condensed":	"Kdn(b2-",
    "motif":	null,
    "subsumption":	null,
    "mass":	null
  },
  {
    "gtc_id":	"G26041PO",
    "iupac_condensed":	"Kdn(a2-3)Gal(b1-4)Glc",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	592.19
  },
  {
    "gtc_id":	"G80126GC",
    "iupac_condensed":	"Kdn(a2-",
    "motif":	null,
    "subsumption":	null,
    "mass":	null
  }
]