[
  {
    "gtc_id":	"G02087OT",
    "iupac_condensed":	"GlcA(b1-3)[GlcA(b1-3)[GlcA(b1-3)[GlcA(b1-3)GalA(a1-2)Rha(a1-4)]GalA(a1-2)Rha(a1-4)]GalA(a1-2)Rha(a1-4)]GalA(a1-2)Rha",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	2010.5
  }
]