[
  {
    "gtc_id":	"G81941EW",
    "iupac_condensed":	"GlcN6Ac(b1-4)GlcNAc(b1-4)GlcNAc(b1-4)GlcNAc(b1-4)GlcNAc(?1-",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1033.41
  },
  {
    "gtc_id":	"G21553SY",
    "iupac_condensed":	null,
    "motif":	"[{\"label\":\"Glucosylceramide\",\"id\":\"G71142DF\"}]",
    "subsumption":	null,
    "mass":	null
  },
  {
    "gtc_id":	"G87932NZ",
    "iupac_condensed":	"GalA(a1-4)[Gal(a1-6)]Man(a1-5)Kdo(a2-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	738.21
  },
  {
    "gtc_id":	"G92130SN",
    "iupac_condensed":	"Glc(a1-1a)Glc",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	342.12
  },
  {
    "gtc_id":	"G40482KL",
    "iupac_condensed":	"GalA(a1-4)[GalA(a1-5)]Kdo(a2-4)[GalA(a1-4)[Kdo(a2-6)Gal(a1-6)]Man(a1-5)]Kdo?(a2-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	1530.39
  },
  {
    "gtc_id":	"G88295IO",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  }
]