[
  {
    "gtc_id":	"G89200IP",
    "iupac_condensed":	"Man(b1-4)Man(b1-2)Man(b1-4)Glc(b1-",
    "motif":	"[{\"label\":\"Glucosylceramide\",\"id\":\"G71142DF\"}]",
    "subsumption":	"Fully-defined saccharide",
    "mass":	666.22
  },
  {
    "gtc_id":	"G03081TH",
    "iupac_condensed":	"GlcNAc(b1-2)Man(b1-2)Man(b1-4)Glc(b1-",
    "motif":	"[{\"label\":\"Glucosylceramide\",\"id\":\"G71142DF\"}]",
    "subsumption":	"Fully-defined saccharide",
    "mass":	707.25
  },
  {
    "gtc_id":	"G33487MN",
    "iupac_condensed":	"Man(b1-3)[Xyl(b1-2)]Man(b1-4)Glc(b1-",
    "motif":	"[{\"label\":\"Glucosylceramide\",\"id\":\"G71142DF\"}]",
    "subsumption":	"Fully-defined saccharide",
    "mass":	636.21
  },
  {
    "gtc_id":	"G31737KV",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	null
  }
]