35908-44-2 Antibiotic B 5050A Antibiotic yl-704C3 B-5050-A Leucomycin V, 12,13-epoxy-12,13-dihydro-, 4(sup B)-(3-methylbutanoate) 3-propanoate, (12S,13S)- Maridomycin I Platenomycin C3 Turimycin EP5 Yl 704 C3