| abstract |
1. Claims (for the Contracting States : BE, CH, DE, FR, GB, IT, LI, LU, NL, SE) Urdamycin A of the formula I see diagramm : EP0182208,P18,F2 1. Claims (for the Contracting State AT) A process for the preparation of a compound with an antibiotic action by aerobic fermentation of Streptomyces, which comprises a) fermenting the strain Streptomyces fradiae DSM 3093 and b) extracting the urdamycins from the culture medium. |