InChI=1/C20H22N6O2/c1-13-9-14(2)19(15(3)10-13)25-18(27)12-22-20(28)24-16-5-6-17(21-11-16)26-8-4-7-23-26/h4-11H,12H2,1-3H3,(H,25,27)(H2,22,24,28)/f/h22,24-25H 26EC2C793E5F408B