[
  {
    "gtc_id":	"G68998SK",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	null
  },
  {
    "gtc_id":	"G89833ZA",
    "iupac_condensed":	"GlcNAc6P(a1-6)GlcNAc",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	504.14
  },
  {
    "gtc_id":	"G31106VC",
    "iupac_condensed":	"Man3Me(a1-3)GlcNAc6P(a1-6)GlcNAc",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	680.2
  },
  {
    "gtc_id":	"G83667GR",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	null
  }
]