InChI=1/C18H26N4O2/c23-17-7-6-14-15(20-17)2-1-3-16(14)21-18(24)19-12-8-10-22(11-9-12)13-4-5-13/h6-7,12-13,16H,1-5,8-11H2,(H,20,23)(H2,19,21,24)/p+1/t16-/m0/s1/fC18H27N4O2/h19-22H/q+1 B8A49717E86510FE