147920-23-8 2''-Amino-5,2''-dideoxyarbekacin 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)-2,5-dideoxy-, (S)-