2-Deoxy-3-demethoxyfortimicin A 78088-05-8 Acetamide, 2-amino-N-(4-amino-3-((2,6-diamino-2,3,4,6,7-pentadeoxy-beta-L-lyxo-heptopyranosyl)oxy)-2-hydroxycyclohexyl)-N-methyl-, (1R-(1alpha,2alpha,3beta,4alpha))-