mixture of O-2,6-Diamino-2,6-dideoxy-α-D-glucopyranosyl-(1→4)-O-[O-2,6-Diamino-2,6-dideoxy-α-D-glucopyranosyl-(1→3)-β-D-nbofuranosyl-(1→5)]-2-deoxy-D-streptamine trisulfate and O-2,6-Diamino-2,6-dideoxy-α-D-glucopyranosyl-(1→4)-O-[O-2,6-Diamino-2,6-dideoxy-α-D-idopyranosyl-(1→3)-β-D-nbofuranosyl-(1→5)]-2-deoxy-D-streptamine trisulfate