[
  {
    "gtc_id":	"G48512WX",
    "iupac_condensed":	"Fuc2Me(a1-2)Gal4Me(b1-3)GalNAc-ol",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	559.25
  }
]