InChI=1/C21H24N4O2/c1-15-8-9-17(14-18(15)25-12-6-7-13-25)19(26)23-21(10-4-3-5-11-21)20-22-16(2)27-24-20/h6-9,12-14H,3-5,10-11H2,1-2H3,(H,23,26)/f/h23H 8C9D5FBBD03BB234