[
  {
    "gtc_id":	"G19425RP",
    "iupac_condensed":	"Rha(a1-2)Xyl(b1-2)GlcA(b1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	472.14
  },
  {
    "gtc_id":	"G20349QW",
    "iupac_condensed":	"Xyl2,3Ac2(b1-",
    "motif":	null,
    "subsumption":	null,
    "mass":	null
  },
  {
    "gtc_id":	"G25436PX",
    "iupac_condensed":	"Xyl4Ac(b1-",
    "motif":	null,
    "subsumption":	null,
    "mass":	null
  },
  {
    "gtc_id":	"G99248SX",
    "iupac_condensed":	"Xyl2,4Ac2(b1-",
    "motif":	null,
    "subsumption":	null,
    "mass":	null
  },
  {
    "gtc_id":	"G62001RI",
    "iupac_condensed":	"Xyl2,3,4Ac3(b1-",
    "motif":	null,
    "subsumption":	null,
    "mass":	null
  },
  {
    "gtc_id":	"G45800PD",
    "iupac_condensed":	"Xyl3Ac(b1-",
    "motif":	null,
    "subsumption":	null,
    "mass":	null
  },
  {
    "gtc_id":	"G56185ML",
    "iupac_condensed":	"Rha(a1-2)Xyl(b1-2)GlcA6Me(b1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	486.16
  },
  {
    "gtc_id":	"G94698AD",
    "iupac_condensed":	"Xyl2Ac(b1-",
    "motif":	null,
    "subsumption":	null,
    "mass":	null
  },
  {
    "gtc_id":	"G16579HJ",
    "iupac_condensed":	"Xyl(b1-",
    "motif":	null,
    "subsumption":	null,
    "mass":	null
  }
]