InChI=1/C19H28N4O2/c24-18(13-21-19(25)22-17-8-9-17)20-12-15-4-6-16(7-5-15)14-23-10-2-1-3-11-23/h4-7,17H,1-3,8-14H2,(H,20,24)(H2,21,22,25)/p+1/fC19H29N4O2/h20-23H/q+1 EC2890EFB4FCC009