O-6-Amino-6-deoxy-α-D-glucopyranosyl-(1→4)-O-[3-[[(2S)-4-amino-2-hydroxy-1-oxobutyl]amino]-3-deoxy-α-D-glucopyranosyl-(1→6)]-N1-[(2S)-4-amino-2-hydroxy-1-oxobutyl]-2-deoxy-D-streptamine
O-6-Amino-6-deoxy-α-D-glucopyranosyl-(1→4)-O-[3-[[(2S)-4-amino-2-hydroxy-1-oxobutyl]amino]-3-deoxy-α-D-glucopyranosyl-(1→6)]-N1-[(2S)-4-amino-2-hydroxy-1-oxobutyl]-2-deoxy-D-streptamine