[
  {
    "gtc_id":	"G15848UU",
    "iupac_condensed":	"GlcN(?1-?)GlcA(?1-",
    "motif":	null,
    "subsumption":	"Topology",
    "mass":	355.11
  },
  {
    "gtc_id":	"G60246MX",
    "iupac_condensed":	"Fuc(b1-4)Glc(a1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	326.12
  },
  {
    "gtc_id":	"G80402VU",
    "iupac_condensed":	"Man(?1-?)Gal(?1-?)GlcN(?1-?)GlcA(?1-",
    "motif":	null,
    "subsumption":	"Topology",
    "mass":	679.22
  },
  {
    "gtc_id":	"G56338IR",
    "iupac_condensed":	"Man(?1-2)Gal(?1-6)GlcN(?1-4)GlcA(?1-",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	679.22
  },
  {
    "gtc_id":	"G07428KC",
    "iupac_condensed":	null,
    "motif":	"[{\"label\":\"Glucosylceramide\",\"id\":\"G71142DF\"}]",
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  },
  {
    "gtc_id":	"G09185JU",
    "iupac_condensed":	"Man(a1-2)Gal(a1-6)GlcNAc(a1-4)GlcA(a1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	721.23
  },
  {
    "gtc_id":	"G34663VW",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	766.27
  },
  {
    "gtc_id":	"G06745QY",
    "iupac_condensed":	"GlcA(a1-",
    "motif":	null,
    "subsumption":	null,
    "mass":	null
  },
  {
    "gtc_id":	"G18260OP",
    "iupac_condensed":	"GlcN(?1-4)GlcA(?1-",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	355.11
  },
  {
    "gtc_id":	"G92331RS",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  },
  {
    "gtc_id":	"G45473YP",
    "iupac_condensed":	"Man(a1-2)Gal(a1-6)GlcN(a1-4)GlcA(a1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	679.22
  },
  {
    "gtc_id":	"G42633XO",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  },
  {
    "gtc_id":	"G98702HJ",
    "iupac_condensed":	"Man(a1-2)Gal(a1-6)GlcN(a1-4)GlcA(b1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	679.22
  },
  {
    "gtc_id":	"G84824ZO",
    "iupac_condensed":	"Glc(b1-4)Glc(b1-",
    "motif":	"[{\"label\":\"Glucosylceramide\",\"id\":\"G71142DF\"}]",
    "subsumption":	"Fully-defined saccharide",
    "mass":	342.12
  }
]