35908-45-3 9-Dihydrocarbomycin A Antibiotic B 5050B Antibiotic YL 704C(sub 4) B 5050B Leucomycin V, 12,13-dihydro-12,13-epoxy-, 3-acetate 4(sup B)-(3-methylbutanoate), (12S,13S)- Maridomycin II Yl 704C(sub 4)