54667-98-0 D-Streptamine, O-3-deoxy-4-C-methyl-3-(methylamino)-beta-L-arabinopyranosyl-(1-6)-O-(2,3,4,6,7-pentadeoxy-6-(methylamino)-2-((trifluoroacetyl)amino)-alpha-D-ribo-heptopyranosyl-(1-4))-2-deoxy- Monotrifluoroacetyl gentamicin Mtfa-gentamicin