InChI=1/C21H22N6O2/c28-19(14-15-6-2-1-3-7-15)22-17-10-12-18(13-11-17)27-25-20(24-26-27)21(29)23-16-8-4-5-9-16/h1-3,6-7,10-13,16H,4-5,8-9,14H2,(H,22,28)(H,23,29)/f/h22-23H 7021BDA477A74B4C