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Antibiotic A80509

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Antibiotic aculeacin-A.alpha., -A.gamma., -D.alpha. and -D.gamma

Antibiotic aculeacins

Antibiotic agents from S. coeruleorubidus, rubidus

Antibiotic AM-5344-A.sub.2 substance and process for the product

Antibiotic and fermentation process of preparing

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Antibiotic AY24,668 and process of preparation

Antibiotic B-98891

Antibiotic BL580 Zeta and use thereof as anticoccidial agent

Antibiotic BN-130 substances and the production thereof

Antibiotic BN-200 substance and process for production thereof

Antibiotic C-11924 F-1

Antibiotic C-14482 A.sub.1 and method for producing same