InChI=1/C20H36N4O2/c1-15(2)24(18-6-4-5-7-18)19(25)14-22-10-12-23(13-11-22)16(3)20(26)21-17-8-9-17/h15-18H,4-14H2,1-3H3,(H,21,26)/t16-/m0/s1/f/h21H 4F8D72B77EEB8EE0