InChI=1/C21H24N6O/c1-14-24-13-19(27(14)17-5-3-4-6-17)18-11-12-23-21(26-18)25-16-9-7-15(8-10-16)20(28)22-2/h7-13,17H,3-6H2,1-2H3,(H,22,28)(H,23,25,26)/f/h22,25H 921F0E1F8C52C6B3