InChI=1/C19H26N4O2/c1-3-23(18(25)20-13-19(2)10-6-7-11-19)12-16-21-15-9-5-4-8-14(15)17(24)22-16/h4-5,8-9H,3,6-7,10-13H2,1-2H3,(H,20,25)(H,21,22,24)/f/h20,22H 69F3ADFA270E79B7