glycan of molecular weight 3239.23 Da G56755UG Hex3HexNAc7NeuAc1Sia1dHex7 9890 HexNAc(7)Hex(3)dHex(7)NeuAc(1) G56755UG A glycan described by the GlyTouCan entry with accession G56755UG. HexNAc7Hex3dHex7NeuAc1 HexNAc(7)Hex(3)dHex(7)NeuAc(1) composition