InChI=1/C18H26N4O2/c1-4-9-20-15-7-5-13(6-8-15)18(24)22-11-14(19)10-16(22)17(23)21-12(2)3/h4-8,12,14,16,20H,1,9-11,19H2,2-3H3,(H,21,23)/p+1/t14-,16-/m0/s1/fC18H27N4O2/h19,21H/q+1 77F20B080C153BA3