[
  {
    "gtc_id":	"G90224BO",
    "iupac_condensed":	"Rha(a1-3)[L-Xyl(b1-2)]Rha(a1-3)[L-Xyl(b1-4)]Rha",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	720.27
  },
  {
    "gtc_id":	"G99639CS",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  }
]