56689-45-3 6-{6-[3-Acetyloxy-13-hydroxy-2-methoxy-7,14-dimethyl-6-oxa-5-oxo-16-(2-oxoethyl)cyclohexadeca-9,11-dienyloxy]-4-(dimethylamino)-5-hydroxy-2-methylperhydro-2H-pyran-3-yloxy}-4-hydroxy-2,4-dimethylperhydro-2H-pyran-3-yl 3-methylbutanoate AIDS-009267 AIDS009267 EN 141 Josacine Josamycin Leucomycin A3 NSC122223 Turimycin A5