| 摘要 |
The invention provides 6-chloro-5-{2,6-difluoro-4-[3-(methylamino)propoxy]phenyl}-2-pyrazin-2-yl-N-[(1S)-2,2,2-trifluoro-1-methylethyl]pyrimidin-4-amine hemifumarate which is a tubulin inhibitor useful in the treatment of cancer and processes of making hemifumarate compounds and compositioning of the present invention.
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