InChI=1/C22H23N5O/c28-21(16-6-2-1-3-7-16)25-18-9-4-10-19(14-18)26-22-24-13-11-20(27-22)17-8-5-12-23-15-17/h4-5,8-16H,1-3,6-7H2,(H,25,28)(H,24,26,27)/f/h25-26H 7E3D3E526E7F3A0E