Ristomycin A aglycone, 5,22,31,45,55-pentachloro-7-demethyl-64-O-demethyl-34-O-((2-deoxy-2-((1-oxodecyl)amino)-alpha-D-glucopyranuronosyl)amino)-44-O-beta-D-glucopyranosyl-56-O-beta-D-mannopyranosyl-N15-methyl-