InChI=1/C19H28N4O2/c1-3-23(4-2)17-11-10-16(14-21-17)22-19(25)18(24)20-13-12-15-8-6-5-7-9-15/h8,10-11,14H,3-7,9,12-13H2,1-2H3,(H,20,24)(H,22,25)/f/h20,22H 76F0ED1E1A21D553