[
  {
    "gtc_id":	"G39927BK",
    "iupac_condensed":	"Neu5Ac(a2-3)Gal(b1-3)[Gal(b1-4)Gal(b1-4)GlcNAc(b1-6)]GalNAc(a1-3)GalNAc-ol",
    "motif":	"[{\"label\":\"GM4\",\"id\":\"G30207PZ\"},{\"label\":\"N-acetyllactosamine\",\"id\":\"G00055MO\"},{\"label\":\"Type 2 LN\",\"id\":\"G00055MO\"}]",
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1406.52
  },
  {
    "gtc_id":	"G24137GH",
    "iupac_condensed":	"Neu5Ac(a2-3)Gal(b1-3)[Gal(a1-4)Gal(b1-4)Gal(b1-4)GlcNAc(b1-6)]GalNAc(a1-3)GalNAc-ol",
    "motif":	"[{\"label\":\"GM4\",\"id\":\"G30207PZ\"},{\"label\":\"N-acetyllactosamine\",\"id\":\"G00055MO\"},{\"label\":\"Type 2 LN\",\"id\":\"G00055MO\"}]",
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1568.57
  },
  {
    "gtc_id":	"G09441IP",
    "iupac_condensed":	"GlcNAc(b1-3)[Neu5Gc(a2-6)]GalNAc-ol",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	733.28
  },
  {
    "gtc_id":	"G40269CS",
    "iupac_condensed":	"Neu5Ac(a2-3)Gal(b1-3)GalNAc-ol",
    "motif":	"[{\"label\":\"GM4\",\"id\":\"G30207PZ\"}]",
    "subsumption":	"Linkage-defined saccharide",
    "mass":	676.25
  },
  {
    "gtc_id":	"G08140FC",
    "iupac_condensed":	"Neu5Ac(a2-3)Gal(b1-3)[Gal(b1-4)GlcNAc(b1-6)]GalNAc-ol",
    "motif":	"[{\"label\":\"GM4\",\"id\":\"G30207PZ\"},{\"label\":\"N-acetyllactosamine\",\"id\":\"G00055MO\"},{\"label\":\"Type 2 LN\",\"id\":\"G00055MO\"}]",
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1041.39
  },
  {
    "gtc_id":	"G35679QA",
    "iupac_condensed":	"Neu5Ac(a2-3)Gal(b1-3)[GlcNAc(b1-6)]GalNAc-ol",
    "motif":	"[{\"label\":\"GM4\",\"id\":\"G30207PZ\"}]",
    "subsumption":	"Linkage-defined saccharide",
    "mass":	879.33
  },
  {
    "gtc_id":	"G91662EF",
    "iupac_condensed":	"Gal(b1-3)[Neu5Ac(a2-3)Gal(b1-4)GlcNAc(b1-6)]GalNAc(a1-3)GalNAc-ol",
    "motif":	"[{\"label\":\"GM4\",\"id\":\"G30207PZ\"},{\"label\":\"Polysialic acid\",\"id\":\"G00065MO\"}]",
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1244.47
  },
  {
    "gtc_id":	"G54163UC",
    "iupac_condensed":	"Neu5Ac(a2-3)Gal(b1-3)[Gal(a1-4)Gal(b1-4)Gal(b1-4)GlcNAc(b1-6)]GalNAc-ol",
    "motif":	"[{\"label\":\"GM4\",\"id\":\"G30207PZ\"},{\"label\":\"N-acetyllactosamine\",\"id\":\"G00055MO\"},{\"label\":\"Type 2 LN\",\"id\":\"G00055MO\"}]",
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1365.49
  },
  {
    "gtc_id":	"G84906ML",
    "iupac_condensed":	"Neu5Ac(a2-3)Gal(b1-3)[Neu5Ac(a2-6)]GalNAc-ol",
    "motif":	"[{\"label\":\"GM4\",\"id\":\"G30207PZ\"}]",
    "subsumption":	"Linkage-defined saccharide",
    "mass":	967.35
  },
  {
    "gtc_id":	"G85445QG",
    "iupac_condensed":	"Neu5Ac(a2-3)Gal(b1-3)[Gal(b1-4)GlcNAc(b1-6)]GalNAc(a1-3)GalNAc-ol",
    "motif":	"[{\"label\":\"GM4\",\"id\":\"G30207PZ\"},{\"label\":\"N-acetyllactosamine\",\"id\":\"G00055MO\"},{\"label\":\"Type 2 LN\",\"id\":\"G00055MO\"}]",
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1244.47
  },
  {
    "gtc_id":	"G52120NK",
    "iupac_condensed":	"Neu5Ac(a2-3)Gal(b1-3)[Neu5Ac(a2-3)Gal(b1-4)GlcNAc(b1-6)]GalNAc-ol",
    "motif":	"[{\"label\":\"GM4\",\"id\":\"G30207PZ\"},{\"label\":\"Polysialic acid\",\"id\":\"G00065MO\"}]",
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1332.48
  },
  {
    "gtc_id":	"G62217NB",
    "iupac_condensed":	"Gal(b1-3)[Neu5Ac(a2-3)Gal(b1-4)GlcNAc(b1-6)]GalNAc-ol",
    "motif":	"[{\"label\":\"GM4\",\"id\":\"G30207PZ\"},{\"label\":\"Polysialic acid\",\"id\":\"G00065MO\"}]",
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1041.39
  },
  {
    "gtc_id":	"G65285QO",
    "iupac_condensed":	"Gal(b1-3)[Neu5Ac(a2-6)]GalNAc-ol",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	676.25
  },
  {
    "gtc_id":	"G37241GG",
    "iupac_condensed":	"Neu5Ac(a2-3)Gal(b1-3)[Gal(b1-4)Gal(b1-4)GlcNAc(b1-6)]GalNAc-ol",
    "motif":	"[{\"label\":\"GM4\",\"id\":\"G30207PZ\"},{\"label\":\"N-acetyllactosamine\",\"id\":\"G00055MO\"},{\"label\":\"Type 2 LN\",\"id\":\"G00055MO\"}]",
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1203.44
  }
]