InChI=1/C22H22N4O2/c1-22(2,28)18-7-5-16(6-8-18)20-17(13-23)14-24-21(26-20)25-19-9-3-15(4-10-19)11-12-27/h3-10,14,27-28H,11-12H2,1-2H3,(H,24,25,26)/f/h25H 00188E295B3ED6B2