Ristomycin A aglycone,34-O-[2-(acetylamino)-2-deoxy-b-D-glucopyranosyl]-22,31-dichloro-7-demethyl-64-O-demethyl-19-deoxy-56-O-[2-deoxy-2-[(8-methyl-1-oxononyl)amino]-b-D-glucopyranosyl]-42-O-a-D-mannopyranosyl-;Teicoplanin A2 (Mixture of 2-1, 2-3, 2-4 andOpen