Antibiotic substances No. 17927A.sub.1 and No. 17927A.sub.2 and

Drug – bio-affecting and body treating compositions – Fermentate of unknown chemical structure – Having a known elemental analysis

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435169, A61K 3574, C12P 106

Patent

active

042017696

ABSTRACT:
New antibiotic substances named substance No. 17927A.sub.2 and substance No. 17927A.sub.1 produced by cultivation of substances No. 17927A.sub.2 and No. 17927A.sub.1 -producing microorganisms belonging to the genus Streptomyces as well as pharmaceutically-acceptable salts thereof. They have broad antibacterial activities and also .beta.-lactamase inhibitory action so that they show synergistic actions with known penicillins and cephalosporins.

REFERENCES:
patent: 3377243 (1968-04-01), Voe et al.
patent: 3629404 (1971-12-01), Florent et al.
patent: 3919415 (1975-11-01), Butterworth et al.
patent: 3928569 (1975-12-01), Umezawa et al.

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