[
  {
    "gtc_id":	"G62372QQ",
    "iupac_condensed":	"GlcN4P(b1-6)GlcN",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	420.11
  },
  {
    "gtc_id":	"G05804ZN",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  },
  {
    "gtc_id":	"G45593KP",
    "iupac_condensed":	"GlcN(b1-6)?-GlcN",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	340.15
  },
  {
    "gtc_id":	"G99225ZM",
    "iupac_condensed":	"GlcN4P(b1-6)GlcN(a1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	420.11
  }
]