Esperamicins, a novel class of potent antitumor antibiotics. I. Physico-chemical data and partial structure.

Esperamicins, a novel class of potent antitumor antibiotics. I. Physico-chemical data and partial structure. Production and Isolation of Two Novel Esperamicins in a Chemically Defined Medium. Esperamicin P, the Tetrasulfide Analog of Esperamicin A₁ Esperamicin P, the Tetrasulfide Analog of Esperamicin A₁ Esperamicins, a novel class of potent antitumor antibiotics. 2. Structure of esperamicin X Sporeamicin A, a new macrolide antibiotic. I. Taxonomy, fermentation, isolation and characterization. Sporeamicin A, a new macrolide antibiotic. I. Taxonomy, fermentation, isolation and characterization. Proximicin A, B and C, Novel Aminofuran Antibiotic and Anticancer Compounds Isolated from Marine Strains of the Actinomycete Verrucosispora† Novel antifungal antibiotics octacosamicins A and B. I. Taxonomy, fermentation and isolation, physico-chemical properties and biological activities. Atacamycins A–C, 22-membered antitumor macrolactones produced by Streptomyces sp. C38