InChI=1/C18H28N4O2/c1-15(18(24)19-13-16-7-5-4-6-8-16)21-9-11-22(12-10-21)17(23)14-20(2)3/h4-8,15H,9-14H2,1-3H3,(H,19,24)/p+1/t15-/m0/s1/fC18H29N4O2/h19-20H/q+1 60FD50054E4ED1F1