7-alkylidene cephalosporanic acid derivatives and methods of using the same
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United States of America Patent
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Jul 29, 2003
Issued Date -
N/A
app pub date -
Jul 30, 2001
filing date -
Dec 9, 1994
priority date (Note) -
Expired
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Abstract
Derivatives of 7-alkylidene cephalosporanic acid sulfone and the pharmaceutically active salts thereof are found to be potent inhibitors of .beta.-lactamase enzymes.
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