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  • Title: New antibiotics 4181-A and B from Streptomyces griseus; taxonomy, fermentation, isolation and characterization.
    Author: Otani T, Yamawaki I, Matsumoto H, Minami Y, Yamada Y, Marunaka T, Qi CQ, Tian T, Zhang R, Xie MY.
    Journal: J Antibiot (Tokyo); 1988 Mar; 41(3):275-81. PubMed ID: 3130363.
    Abstract:
    The new antibiotics 4181-A and B were isolated from the fermentation broth of Streptomyces griseus, a soil isolate. Their molecular formulae were determined as C29H21NO9 and C28H19NO9, respectively. The UV, IR and NMR spectra suggest that they possess a quinone moiety in their structures. They were found to have antibacterial, antifungal and antitumor activity.
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