3-(2-chloro-6-methylphenyl)-7-(2-methoxy-4-(1-methylpiperidin-4-yl)anilino)-1-(5-methoxypyridin-2-yl)-4H-pyrimido(4,5-d)pyrimidin-2-one
3-(2-chloro-6-methylphenyl)-7-(2-methoxy-4-(1-methylpiperidin-4-yl)anilino)-1-(5-methoxypyridin-2-yl)-4h-pyrimido(4,5-d)pyrimidin-2-one