lacto-N-neo-tetraose
(5-acetamido-3,5-dideoxy-α-D-glycero-D-galacto-2-nonulopyranosylonic acid)-(2-6)-β-D-galactopyranosyl-(1-4)-2-acetamido-2-deoxy-β-D-glucopyranosyl-(1-3)-β-D-galactopyranosyl-(1-4)-α,β-D-glucopyranoside
(5-acetamido-3,5-dideoxy-α-D-glycero-D-galacto-2-nonulopyranosylonic acid)-(2-3)-β-D-galactopyranosyl-(1-4)-2-acetamido-2-deoxy-β-D-glucopyranosyl-(1-3)-β-D-galactopyranosyl-(1-4)-α,β-D-glucopyranose