2-Hydroxysagamicin 77052-96-1 D-Streptamine, O-(2-amino-2,3,4,6-tetradeoxy-6-(methylamino)-alpha-D-erythro-hexopyranosyl-(1-4)-O-(3-deoxy-4-C-methyl-3-(methylamino)-beta-L-arabinopyranosyl-(1-6))-, (2-xi)-