20283-69-6 3-Desacetylcarbomycin-B 9-Deoxy-9-oxoleucomycin V 4B (3-methylbutanoate) 9-Deoxy-9-oxoleucomycin V 4B-(3-methylbutanoate) F-3463 Leucomycin V, 9-deoxy-9-oxo-, 4B-(3-methylbutanoate) (9CI) Niddamycin