InChI=1/C19H28N4O/c1-11-8-9-12(2)17(10-11)13(3)20-19(24)21-14(4)18-15(5)22-23(7)16(18)6/h8-10,13-14H,1-7H3,(H2,20,21,24)/t13-,14+/m1/s1/f/h20-21H B99CFCE00E995300