A strain of Streptomyces griseofuscus S42227 (FERM P-8443) was found to produce new antitumor antibiotics, called azinomycins A and B. The molecular formulas of azinomycins A and B were determined as C30H33N3O10 and C31H33N3O11, respectively. They were active against Gram-positive bacteria, Gram-negative bacteria and L5178Y cells in tissue culture.

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http://dx.doi.org/10.7164/antibiotics.39.1527DOI Listing

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