147920-24-9 2''-Amino-2''-deoxydibekacin 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))-2-deoxy-