[
  {
    "gtc_id":	"G24434IX",
    "iupac_condensed":	"GlcA(b1-4)GlcA(b1-3)GalA2S(a1-4)Gal",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	788.12
  },
  {
    "gtc_id":	"G67033RV",
    "iupac_condensed":	"GlcA(b1-4)GlcA(b1-3)[Glc(b1-4)]GalA2S(a1-4)Gal",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	950.17
  },
  {
    "gtc_id":	"G49535WC",
    "iupac_condensed":	"GlcA(b1-4)GlcA(b1-3)GalA(a1-4)Gal",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	708.16
  },
  {
    "gtc_id":	"G35526GF",
    "iupac_condensed":	"GlcA(b1-4)GlcA(b1-3)[Glc(b1-4)]GalA(a1-4)Gal",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	870.21
  },
  {
    "gtc_id":	"G33666QQ",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  }
]