[
  {
    "gtc_id":	"G06297OI",
    "iupac_condensed":	"D-Rha2Me(?1-2)[Man2Me(?1-4)GlcA2NAc(?1-4)GlcA(?1-4)Glc(?1-4)GlcA2Me(?1-4)]Man(?1-",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1261.4
  }
]