(R)-5-bromo-3-(5-(2,4-dimethylpiperazin-1-yl)pyridin-2-ylamino)-1-methylpyridin-2(1H)-one

(R)-2-(3-(5-(5-(2,4-dimethylpiperazin-1-yl)pyridin-2-ylamino)-1-methyl-6-oxo-1,6-dihydropyridin-3-yl)-5-fluoro-2-(hydroxymethyl)phenyl)-3,4,6,7,8,9-hexahydropyrazino[1,2-a]indol-1(2H)-one