Chemical derivatives of antibiotics LL-E19020 alpha and beta
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United States of America Patent
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Dec 31, 1991
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N/A
app pub date -
Sep 5, 1989
filing date -
Sep 5, 1989
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Expired
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Abstract
Derivatives of antibiotics derived from the microorganism Streptomyces lydicus subspecies tanzanius, referred to as antibiotics LL-E19020 alpha and beta, are produced by chemical reaction. The derivatives are also active antibiotics useful in the treatment of bacterial infections.
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