InChI=1/C18H24N4O2/c1-4-12-23-15-8-6-14(7-9-15)17-21-16(13-19)18(24-17)20-10-5-11-22(2)3/h6-9,20H,4-5,10-12H2,1-3H3/p+1/fC18H25N4O2/h22H/q+1 B1FF5AB327C2066A