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US09309226B2 Crystalline form I of tyrosine kinase inhibitor dimaleate and preparation methods thereof 有权
酪氨酸激酶抑制剂二马来酸的结晶形式I及其制备方法

Crystalline form I of tyrosine kinase inhibitor dimaleate and preparation methods thereof
Abstract:
Provided are crystalline Form I of (R,E)-N-(4-(3-chloro-4-(pyridin-2-yl-methoxy)-phenylamino)-3-cyano-7-ethoxy-quinolin-6-yl)-3-(1-methylpyrrolidin-2-yl) propenamide dimaleate (called SHR1258 dimaleate for short), preparation methods thereof, and pharmaceutical compositions containing the same. The crystalline Form I of SHR1258 dimaleate has good crystal stability and chemical stability, and can be used in the preparation of medicaments for treating diseases related to EGFR receptor tyrosine kinase or HER-2 receptor tyrosine kinase.
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