InChI=1/C18H28N4/c1-18(2,3)17-16(13-20-21-17)12-19-10-11-22(4)14-15-8-6-5-7-9-15/h5-9,13,19H,10-12,14H2,1-4H3,(H,20,21)/p+1/fC18H29N4/h19-20H/q+1 A0C1B8F473A02DFE