[
  {
    "gtc_id":	"G32480DD",
    "iupac_condensed":	"GlcN6P(a1-4)Kdo",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	479.1
  },
  {
    "gtc_id":	"G84046UN",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  },
  {
    "gtc_id":	"G42149CD",
    "iupac_condensed":	"?-Ara4N(?1-P-4)GlcN(b1-6)GlcN(a1-",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	551.17
  },
  {
    "gtc_id":	"G68360CR",
    "iupac_condensed":	"GlcN6P(a1-4)Kdn",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	509.11
  },
  {
    "gtc_id":	"G74768KP",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  }
]