[
  {
    "gtc_id":	"G75772RH",
    "iupac_condensed":	"Kdo(a2-4)[Glc(b1-6)Glc(a1-5)][GalN(a1-3)GalN(b1-6)Glc(a1-5)Kdo(a2-8)]Kdo(a2-6)GlcN4P(b1-6)GlcN(a1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	1888.59
  },
  {
    "gtc_id":	"G97225ZC",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  },
  {
    "gtc_id":	"G67215ZW",
    "iupac_condensed":	"Kdo(a2-4)[Glc(b1-6)Glc(a1-5)][GalN(a1-3)GalN(b1-6)Glc(a1-5)Kdo(a2-8)]Kdo?(a2-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	1486.48
  },
  {
    "gtc_id":	"G64905WA",
    "iupac_condensed":	"Kdo(a2-4)[Glc(b1-6)Glc(a1-5)][Kdo(a2-8)]Kdo(a2-6)GlcN4P(b1-6)GlcN(a1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	1404.4
  },
  {
    "gtc_id":	"G54919OF",
    "iupac_condensed":	"Kdo(a2-4)[Glc(b1-6)Glc(a1-5)][GalNAc(a1-3)GalNAc(b1-6)Glc(a1-5)Kdo(a2-8)]Kdo(a2-6)GlcN4P(b1-6)GlcN(a1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	1972.61
  }
]