[
  {
    "gtc_id":	"G10683BS",
    "iupac_condensed":	"ManA2NAc(?1-4)ManA2NAc(?1-3)GlcNAc(a1-",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	655.21
  }
]