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ANTI-BIOTICALLY ACTIVE PRODUCTS SF-2050 AND SF-2050B, AND THEIR PREPARATION AND APPLICATION.
ANTI-BIOTICALLY ACTIVE PRODUCTS SF-2050 AND SF-2050B, AND THEIR PREPARATION AND APPLICATION.
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机译:具有抗生物活性的产品SF-2050和SF-2050B及其制备和应用。
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摘要
New antibiotics, SF-2050 substance and SF-2050B substance are produced by cultivating a microorganism Streptomyces sp. SF-2050 now deposited under FERM-P 4358 and under ATCC. 31450 in a liquid culture medium under aerobic conditions, and these antibiotics may be isolated from the fermentation broth and useful as an antibacterial agent. These antibiotics have an activity inhibitory to beta -lactamase.
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