Ristomycin A Aglycone, 5,31-Dichloro-38-de(methoxycarbonyl)-7-demethyl-19-deoxy-56-O-(2-deoxy-2-((10-methyl-1-oxoundecyl)amino)-beta-D-glucopyranuronosyl)-38-(((3-(dimethylamino)propyl)amino)carbonyl)-42-O-alpha-D-mannopyranosyl-N15-methyl-