2-O-Methanesulfonylfortimycin B 71657-29-9 L-chiro-Inositol, 4-amino-1,4-dideoxy-3-O-(2,6-diamino-2,3,4,6,7-pentadeoxy-beta-L-lyxo-heptopyranosyl)-6-O-methyl-1-(methylamino)-, 5-methanesulfonate Metsfnftb