DC-52, a novel antitumor antibiotic. 2. Isolation, physico-chemical characteristics and structure determination.

DC-52, a novel antitumor antibiotic. 2. Isolation, physico-chemical characteristics and structure determination. DC-52, a novel antitumor antibiotic. 1. Taxonomy, fermentation and biological activity. DC-52, a novel antitumor antibiotic. 1. Taxonomy, fermentation and biological activity. DC-86-M, a novel antitumor antibiotic. II. Structure determination and biological activities. Structures of Duocarmycins, novel antitumor antibiotics produced by Streptomyces sp. DC 102, a new glycosidic pyrrolo(1,4)benzodiazepine antibiotic produced by Streptomyces sp. DC 107, a novel antitumor antibiotic produced by a Streptomyces sp. DC 102, a new glycosidic pyrrolo(1,4)benzodiazepine antibiotic produced by Streptomyces sp. DC 107, a novel antitumor antibiotic produced by a Streptomyces sp. Novel antitumor antibiotics, saptomycins D and E.