IV3NeuAc, II6NeuAc-LcOse4; 61278-38-4; Disialyllacto-N-tetraose; (6R)-5-Acetamido-3,5-dideoxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]-β-L-threo-hex-2-ulopyranonosyl-(2->6)-[(6R)-5-acetamido-3,5-dideoxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]-β-L-threo-hex-2-ulopyranono syl-(2->3)-β-D-galactopyranosyl-(1->3)]-2-acetamido-2-deoxy-β-D-glucopyranosyl-(1->3)-β-D-galactopyranosyl-(1->3)-D-glucopyranose;