123482-11-1 Ashimycin A D-Streptamine, O-2-C-carboxypentofuranosyl-(1-4)-O-2-deoxy-2-(methylamino)-alpha-L-glucopyranosyl-(1-2)-O-5-deoxy-3-C-formyl-alpha-L-lyxofuranosyl-(1-4)-N,N'-bis(aminoiminomethyl)-