O-3-Amino-3-deoxy-alpha-D-glucopyranosyl-(16)-O-[2,6-diamino-2,6-dideoxy-alpha-D-glucopyranosyl-(14)]-N1-[(2S)-4-amino-2-hydroxy-1-oxobutyl]-2-deoxy-D-streptamine Amikacin B Sulfate, 1-N-[(S)-4-Amino-2-hydroxybutyryl]kanamycin B Amikacin B Sulfate, BB-