Aminopyridine derivatives having aurora a selective inhibitory action
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United States of America Patent
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Aug 27, 2013
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Jan 6, 2011
app pub date -
Feb 18, 2009
filing date -
Feb 22, 2008
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Abstract
The present invention relates to a compound of formula I: wherein: R1 is a hydrogen atom, F, CN, etc.; R2 is CO, SO2, etc.; R3 is a phenyl which may be substituted; X1, X2, and X3 each independently CH, N, etc. provided, however, that among X1, X2 and X3, the number of nitrogen is 0 or 1; W is the following residue: wherein: W1, W2, and W3 each independently CH, N, etc., or a pharmaceutically acceptable salt or ester thereof.
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