4-(2-(4-aminopiperidin-1-yl)ethyl)-6-fluoro-2H-benzo[b][1,4]oxazin-3(4H)-one

8-(2-(4-((2,3-dihydro-[1,4]dioxino[2,3-c]pyridin-7-yl)methylamino)piperidin-1-yl)ethyl)-2-methoxypyrido[2,3-d]pyrimidin-7(8H)-one

6-((1-(2-(6-methoxy-3-oxobenzo[e][1,2,4]triazin-4(3H)-yl)ethyl)piperidin-4-ylamino)methyl)-2H-pyrido[3,2-b][1,4]oxazin-3(4H)-one

8-(2-{4-[(2,3-dihydro[1,4]dioxino[2,3-c]pyridin-7-ylmethyl)amino]piperidin-1-yl}ethyl)-2-methoxypteridin-7(8H)-one