Cephalosporin antibiotics
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United States of America Patent
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May 12, 1981
Issued Date -
N/A
app pub date -
Jul 27, 1979
filing date -
Feb 16, 1976
priority date (Note) -
Expired
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Abstract
The invention provides novel antibiotic cefuroxime esters of the formula ##STR1## (wherein R.sup.1 is a primary or secondary alkyl group containing 1 to 4 carbon atoms and R.sup.2 is a primary or secondary alkyl group containing 1 to 6 carbon atoms provided that at least one of the groups R.sup.1 and R.sup.2 is methyl). These compounds are useful as orally administrable broad spectrum antibiotics.
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