InChI=1/C18H27N5O2/c1-13-21-16(23-25-13)18(9-5-3-4-6-10-18)20-11-15(24)22-17(2,12-19)14-7-8-14/h14,20H,3-11H2,1-2H3,(H,22,24)/p+1/t17-/m0/s1/fC18H28N5O2/h20,22H/q+1 AB1C6C33D2E53672