[
  {
    "gtc_id":	"G71840FF",
    "iupac_condensed":	null,
    "motif":	"[{\"label\":\"Tn antigen\",\"id\":\"G57321FI\"}]",
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  },
  {
    "gtc_id":	"G52216GE",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1924.46
  },
  {
    "gtc_id":	"G08829DO",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	875.3
  },
  {
    "gtc_id":	"G67843FS",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  },
  {
    "gtc_id":	"G18431OT",
    "iupac_condensed":	null,
    "motif":	"[{\"label\":\"Tn antigen\",\"id\":\"G57321FI\"}]",
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  },
  {
    "gtc_id":	"G22569EZ",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	2574.65
  },
  {
    "gtc_id":	"G06210VB",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  },
  {
    "gtc_id":	"G93675TK",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  },
  {
    "gtc_id":	"G62055ZU",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  },
  {
    "gtc_id":	"G47245KE",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  }
]