N-acetyl-alpha-neuraminosyl-(2->3)-beta-D-galactosyl-(1->3)-[N-acetyl-alpha-neuraminosyl-(2->6)]-N-acetyl-alpha-D-galactosaminyl-(1<->1')-L-threonine(2-) residue
n-acetyl-alpha-neuraminosyl-(2->3)-beta-d-galactosyl-(1->3)-[n-acetyl-alpha-neuraminosyl-(2->6)]-n-acetyl-alpha-d-galactosaminyl-(1<->1')-l-threonine(2-) residue