InChI=1/C18H18N4O2/c1-4-12-22-17(23)15-16(21(3)18(22)24)19-14(20(15)2)11-10-13-8-6-5-7-9-13/h4-11H,1,12H2,2-3H3/b11-10+ 331E041558034FC3