3-O-Demethylfortimicin A 74842-47-0 A 49759 BRN 5145719 L-chiro-Inositol, 4-amino-1-((aminoacetyl)methylamino)-1,4-dideoxy-3-O-(2,6-diamino-2,3,4,6,7-pentadeoxy-beta-L-lyxo-heptopyranosyl)- L-chiro-Inositol, 4-amino-1-((aminoacetyl)methylamino)-1,4-dideoxy-3-O-(2,6-diamino-2,3,4,6,7-pentadeoxy-beta-L-lyxo-heptopyranosyl)-, tetrahydrochloride