InChI=1/C19H28N4O2/c20-19(25)22-15-8-6-14(7-9-15)12-21-18(24)13-23(17-10-11-17)16-4-2-1-3-5-16/h6-9,16-17H,1-5,10-13H2,(H,21,24)(H3,20,22,25)/p+1/fC19H29N4O2/h21-23H,20H2/q+1 4CBC55AC17EFF114