Isolation and characterization of sarubicin A, a new antibiotic.

Isolation and characterization of sarubicin A, a new antibiotic. Sarubicin B, a new quinone antibiotic, isolated from the fermentation broth of a Streptomyces strain. Sarubicinols A–C, Cytotoxic Benzoxazoles from a Streptomyces Colubricidin A, a novel macrolide antibiotic from a Streptomyces sp. New antitumor antibiotics, ditrisarubicins A, B and C. A novel antibiotic, sohbumycin. Taxonomy, fermentation, isolation and physico-chemical and biological characteristics. Isolation and characterization of new antibiotics resorcinomycins A and B. New antitumor antibiotics, ditrisarubicins A, B and C. Senacarcin A, a new antitumor antibiotic produced by Streptomyces endus subsp. aureus. Isolation and characterization of a new antibiotic U-62162.