The invention discloses the fused-polycyclic compounds of formula (I) such as defined in this. Invention also discloses a kind of active method of inhibition protein kinase (such as aurora kinase) and a kind of methods of the disease (such as cancer) kinase mediated with these compound treatment albumens.本發明公開了如在此限定的式(I)的稠合多環化合物。本發明也公開了一種抑制蛋白激酶(如極光激酶)活性的方法,以及一種以這些化合物治療蛋白激酶介導的疾病(如癌症)的方法。