6'-Epifortimicin A 71658-14-5 L-chiro-Inositol, 4-amino-1-((aminoacetyl)methylamino)-1,4-dideoxy-3-O-(2,6-diamino_2,3,4,6,7-pentadeoxy-alpha-L-ribo-heptopyranosyl)-6-O-methyl-