[
  {
    "gtc_id":	"G20936MI",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  },
  {
    "gtc_id":	"G96779LX",
    "iupac_condensed":	"GlcA(a1-3)Fuc",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	340.1
  },
  {
    "gtc_id":	"G58161NS",
    "iupac_condensed":	"Glc(a1-",
    "motif":	null,
    "subsumption":	null,
    "mass":	null
  },
  {
    "gtc_id":	"G22756KQ",
    "iupac_condensed":	"GalA(a1-2)[Ara(a1-4)GlcN(a1-3)]GalA(a1-3)[Glc(b1-4)]Fuc",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	971.3
  },
  {
    "gtc_id":	"G70272VK",
    "iupac_condensed":	"Glc(b1-4)Xyl",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	312.11
  },
  {
    "gtc_id":	"G45297XA",
    "iupac_condensed":	"GlcA(a1-2)GlcA(a1-2)Man(b1-4)Gal(b1-2)?-Rha",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	840.24
  },
  {
    "gtc_id":	"G44476TV",
    "iupac_condensed":	"GalA(a1-2)[GlcNAc(a1-3)]GalA(a1-3)[Glc(b1-4)]Fuc",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	881.26
  },
  {
    "gtc_id":	"G52338DM",
    "iupac_condensed":	"GlcA(a1-2)GalA(a1-2)Man",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	532.13
  },
  {
    "gtc_id":	"G23545MH",
    "iupac_condensed":	"GlcA(a1-3)Gal",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	356.1
  },
  {
    "gtc_id":	"G01987ZK",
    "iupac_condensed":	"GalA(a1-2)[Ara(a1-4)GlcNAc(a1-3)]GalA(a1-3)[Man(b1-3)Glc(b1-4)]Fuc",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1175.36
  },
  {
    "gtc_id":	"G97494WA",
    "iupac_condensed":	"GlcA(a1-2)GlcA(a1-2)Man",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	532.13
  },
  {
    "gtc_id":	"G79911XC",
    "iupac_condensed":	"GalA(a1-2)[Ara(a1-4)GlcNAc(a1-3)]GalA(a1-3)[Glc(b1-4)]Fuc",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1013.31
  },
  {
    "gtc_id":	"G84852FS",
    "iupac_condensed":	"GalA(a1-2)[Ara(a1-4)GlcN(a1-3)]GalA(a1-3)[Man(b1-3)Glc(b1-4)]Fuc",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1133.35
  },
  {
    "gtc_id":	"G75358PG",
    "iupac_condensed":	"GlcA(a1-2)GalA(a1-2)Man(b1-4)Gal(b1-2)Rha",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	840.24
  }
]