Quinazoline derivatives substituted by aniline, preparation method and use thereof
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United States of America Patent
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Aug 15, 2017
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Aug 30, 2011
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Aug 30, 2010
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Abstract
The invention relates to quinazoline derivatives substituted by aniline which are represented by the below formula (I), pharmaceutical acceptable salts and stereoisomer thereof, wherein these groups of R1, R2, R3, R4, R5, R6, L and n have the meanings given in the specification. The invention also relates to preparation methods, pharmaceutical compositions, pharmaceutical preparation and the use for preparation of medicine of treating excessive hyperplasia and chronic obstructive pulmonary disease and uses for treating excessive hyperplasia and chronic obstructive pulmonary disease thereof.
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