Coumarin derivative
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United States of America Patent
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Aug 12, 2008
Grant Date -
Mar 10, 2005
app pub date -
Sep 12, 2002
filing date -
Sep 12, 2001
priority date (Note) -
Expired
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Abstract
A medicament for enhancing an effect of a cancer therapy based on a mode of action of DNA injury, which comprises as an active ingredient a compound represented by the following general formula (I): ##STR00001## wherein X represents a single bond or a C.sub.1 to C.sub.6 alkylene group which may be substituted; A represents a C.sub.1 to C.sub.6 alkyl group which may be substituted, a C.sub.6 to C.sub.10 aryl group which may be substituted, or a 4 to 10-membered monocyclic or bicyclic and unsaturated, partly saturated, or completely saturated heterocyclic group which may be substituted, wherein said heterocyclic group comprises as ring-constituting atoms 1 to 4 hetero atoms selected from the group consisting of nitrogen atom, oxygen atom, and sulfur atom.
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