6'-DN-Mfa 6'-Di-N-methylfortimicin A 71657-35-7 L-chiro-Inositol, 4-amino-1-((aminoacetyl)methylamino)-3-O-(2-amino-2,3,4,6,7-pentadeoxy-6-(dimethylamino)-beta-L-lyxo-heptopyranosyl)-1,4-dideoxy-6-O-methyl-