[
  {
    "gtc_id":	"G57321FI",
    "iupac_condensed":	"GalNAc(a1-",
    "motif":	"[{\"label\":\"Tn antigen\",\"id\":\"G57321FI\"}]",
    "subsumption":	null,
    "mass":	null
  },
  {
    "gtc_id":	"G24229VR",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	null
  },
  {
    "gtc_id":	"G82553RO",
    "iupac_condensed":	"GlcA(b1-3)GalNAc4S(b1-4)GlcA3S(b1-3)GalNAc4S",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1016.1
  },
  {
    "gtc_id":	"G66137WI",
    "iupac_condensed":	"GlcA3S(b1-3)GalNAc4S(b1-4)GlcA3S(b1-3)GalNAc4S(b1-4)GlcA",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1272.09
  },
  {
    "gtc_id":	"G76199SV",
    "iupac_condensed":	"GlcA3S(b1-3)GalNAc4S(b1-4)GlcA(b1-3)GalNAc4S",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1016.1
  },
  {
    "gtc_id":	"G09362PR",
    "iupac_condensed":	"GlcNAc(b1-2)Man(a1-3)[Man(a1-6)]Man(b1-4)GlcNAc(b1-4)GlcNAc-ol",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1115.42
  },
  {
    "gtc_id":	"G70073SG",
    "iupac_condensed":	"GlcNAc(b1-2)Man(a1-3)[Man(a1-6)]Man(b1-4)GlcNAc(b1-4)GlcNAc(?1-",
    "motif":	"[{\"label\":\"N-Glycan core basic\",\"id\":\"G00026MO\"}]",
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1113.41
  },
  {
    "gtc_id":	"G86795EH",
    "iupac_condensed":	"GlcNAc(b1-2)Man(a1-3)[Man6S(a1-6)]Man(b1-4)GlcNAc(b1-4)GlcNAc(?1-",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1193.36
  },
  {
    "gtc_id":	"G93380BT",
    "iupac_condensed":	"GlcNAc(b1-4)GlcNAc(b1-4)GlcNAc",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	627.25
  },
  {
    "gtc_id":	"G79333MY",
    "iupac_condensed":	"Gal(b1-4)GlcNAc(a1-",
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	383.14
  },
  {
    "gtc_id":	"G03652TR",
    "iupac_condensed":	"Man(a1-3)[Man(a1-3)[Man(a1-6)]Man(a1-6)]Man(b1-4)GlcNAc(b1-4)GlcNAc(?1-",
    "motif":	"[{\"label\":\"N-Glycan high mannose\",\"id\":\"G00028MO\"}]",
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1234.43
  },
  {
    "gtc_id":	"G97217ZC",
    "iupac_condensed":	"GlcNAc(b1-2)Man(a1-3)[Man6S(a1-6)]Man(b1-4)GlcNAc(b1-4)GlcNAc-ol",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1195.38
  },
  {
    "gtc_id":	"G00018MO",
    "iupac_condensed":	"GlcA(b1-3)GalNAc4S(b1-4)GlcA(b1-3)GalNAc4S",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	936.15
  },
  {
    "gtc_id":	"G34713RU",
    "iupac_condensed":	"GlcA3S(b1-3)GalNAc4S(b1-4)GlcA3S(b1-3)GalNAc4S",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1096.06
  },
  {
    "gtc_id":	"G17784WQ",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  },
  {
    "gtc_id":	"G13974DV",
    "iupac_condensed":	"Man(a1-3)[Man(a1-3)[Man(a1-6)]Man(a1-6)]Man(b1-4)GlcNAc(b1-4)GlcNAc-ol",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1236.45
  },
  {
    "gtc_id":	"G31737KV",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	null
  }
]