InChI=1/C18H36N4O2/c1-4-6-7-8-16(3)20-18(24)15-22-12-10-21(11-13-22)14-17(23)19-9-5-2/h16H,4-15H2,1-3H3,(H,19,23)(H,20,24)/t16-/m1/s1/f/h19-20H 59843341525D94C0