A new tetracycline antibiotic with antitumor activity. II. The structural elucidation of SF2575.

A new tetracycline antibiotic with antitumor activity. II. The structural elucidation of SF2575. Novel antibiotics SF2738A,B and C, and their analogs produced by Streptomyces sp. Studies on a new antibiotic SF-2330. I. Taxonomy, isolation and characterization. Studies on new antibiotics SF2415. I. Taxonomy, fermentation, isolation, physico-chemical properties and biological activities. SF2446, new benzo(a)naphthacene quinone antibiotics. I. Taxonomy and fermentation of the producing strain, isolation and characterization of antibiotics. SF2446, new benzo(a)naphthacene quinone antibiotics. I. Taxonomy and fermentation of the producing strain, isolation and characterization of antibiotics. PF1163A and B, New Antifungal Antibiotics Produced by Penicilium sp. II. Physico-chemical Properties and Structure Elucidation. Structure of phenazinomycin, a novel antitumor antibiotic STUDIES ON ANTIBIOTIC SF-837, A NEW ANTIBIOTIC. III DC-52, a novel antitumor antibiotic. 2. Isolation, physico-chemical characteristics and structure determination.