6'-N-Formimidoylamikacin 91704-91-5 D-Streptamine, O-3-amino-3-deoxy-alpha-D-glucopyranosyl-(1-6)-O-(6-deoxy-6-((iminomethyl)amino)-alpha-D-glucopyranosyl-(1-4))-N1-(4-amino-2-hydroxy-1-oxobutyl)-2-deoxy-, (S)-