147920-22-7 2''-Amino-2''-deoxy-arbekacin 2''-Amino-2''-deoxyarbekacin D-Streptamine, O-2,3-diamino-2,3-dideoxy-alpha-D-glucopyranosyl-(1-6)-O-(2,6-diamino-2,3,4,6-tetradeoxy-alpha-D-erythro-hexopyranosyl-(1-4))-N(sup 1)-(4-amino-2-hydroxy-1-oxobutyl)-2-deoxy-, (S)- D-Streptamine, O-2,3-diamino-2,3-dideoxy-alpha-D-glucopyranosyl-(1-6)-O-(2,6-diamino-2,3,4,6-tetradeoxy-alpha-D-erythro-hexopyranosyl-(1-4))-N1-(4-amino-2-hydroxy-1-oxobutyl)-2-deoxy-, (S)-