InChI=1/C18H30N4O4/c1-5-6-18(3,17(24)25-4)19-16(23)13-22-9-7-21(8-10-22)12-15-11-14(2)20-26-15/h11H,5-10,12-13H2,1-4H3,(H,19,23)/t18-/m1/s1/f/h19H C6D527044457F8B7