[
  {
    "gtc_id":	"G82553RO",
    "iupac_condensed":	"GlcA(b1-3)GalNAc4S(b1-4)GlcA3S(b1-3)GalNAc4S",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1016.1
  },
  {
    "gtc_id":	"G66137WI",
    "iupac_condensed":	"GlcA3S(b1-3)GalNAc4S(b1-4)GlcA3S(b1-3)GalNAc4S(b1-4)GlcA",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1272.09
  },
  {
    "gtc_id":	"G76199SV",
    "iupac_condensed":	"GlcA3S(b1-3)GalNAc4S(b1-4)GlcA(b1-3)GalNAc4S",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1016.1
  },
  {
    "gtc_id":	"G00018MO",
    "iupac_condensed":	"GlcA(b1-3)GalNAc4S(b1-4)GlcA(b1-3)GalNAc4S",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	936.15
  },
  {
    "gtc_id":	"G34713RU",
    "iupac_condensed":	"GlcA3S(b1-3)GalNAc4S(b1-4)GlcA3S(b1-3)GalNAc4S",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1096.06
  }
]