Podophyllotoxin derivatives
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United States of America Patent
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Mar 11, 2008
Grant Date -
Jan 6, 2005
app pub date -
Jul 1, 2003
filing date -
Jul 1, 2003
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Abstract
4-O esters of podophyllotoxin and 4'-demethylepipodophyllotoxin are provided. The compounds are 4-O esters of an alkanoic acid or substituted alkanoic acid and podophyllotoxin and 4'-demethylepipodophyllotoxin. The compounds are useful for treating cancer.
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