InChI=1S/C22H22N4O2/c1-14(2)28-22(27)25-17-10-19-18-9-15(12-23)6-7-20(18)26(21(19)11-17)13-16-5-3-4-8-24-16/h3-9,14,17H,10-11,13H2,1-2H3,(H,25,27)/t17-/m0/s1