Actiketal, a new member of the glutarimide antibiotics.

Actiketal, a new member of the glutarimide antibiotics. Epiderstain, a new inhibitor of the mitogenic activity induced by epidermal growth factor. I. Taxonomy, fermentation, isolation and characterization. Epiderstatin, a new inhibitor of the mitogenic activity induced by epidermal growth factor. II. Structure elucidation. A new secondary metabolite from the fermented mycelia of <i>Streptomyces antibiotic</i> H41-55 Two new glutarimide antibiotics from Streptomyces sp. HS-NF-780 Two new glutarimide antibiotics from Streptomyces sp. HS-NF-780 Lactimidomycin, a new glutarimide group antibiotic. Production, isolation, structure and biological activity. Actinomadurol, an Antibacterial Norditerpenoid from a Rare Actinomycete, <i>Actinomadura</i> sp. KC 191 Kettapeptin: Isolation, Structure Elucidation and Activity of a New Hexadepsipeptide Antibiotic from a Terrestrial Streptomyces sp. Tetrazomine, a new antibiotic produced by an actinomycete strain. Taxonomy, fermentation, isolation and characterization.