O-2,6-diamino-2,6-dideoxy-α-D-glucopyranosyl-(1→4)-O-[β-D-xylofuranosyl-(1→5)]-N1-(4-amino-2-hydroxybutyryl)-2-deoxystreptamine (A form) mixture with O-2,6-diamino-2,6-dideoxy-α-D-glucopyranosyl-(1→4)-O-[β-D-ribofuranosyl-(1→5)]-N1-(4-amino-2-hydroxybutyryl)-2-deoxystreptamine (B form)
