[
  {
    "gtc_id":	"G63880LK",
    "iupac_condensed":	null,
    "motif":	"[{\"label\":\"Gb3\",\"id\":\"G00059MO\"},{\"label\":\"Pk antigen\",\"id\":\"G00059MO\"},{\"label\":\"globotriaosylceramide\",\"id\":\"G00059MO\"}]",
    "subsumption":	"Fully-defined saccharide",
    "mass":	1654.5
  },
  {
    "gtc_id":	"G46899QP",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	1654.5
  }
]