Polymorph forms of 4-anilinoquinazoline derivatives, the preparation methods and uses thereof
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United States of America Patent
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Dec 25, 2012
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Jan 5, 2012
app pub date -
Mar 25, 2009
filing date -
Mar 25, 2008
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Abstract
The present invention relates to polymorphic forms of N-{4-[3-chloro-4-(3-fluoro-benzyloxy)phenylamino]-quinazolin-6-yl}-acrylamide p-toluenesulfonate with the characteristic X-ray powder diffraction data as stated in the description, preparation methods thereof, pharmaceutical compositions comprising the same and the use thereof.
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