InChI=1/C18H30N4O4/c1-15-12-16(20-26-15)13-21-6-8-22(9-7-21)18(23)19-5-3-10-24-14-17-4-2-11-25-17/h12,17H,2-11,13-14H2,1H3,(H,19,23)/t17-/m1/s1/f/h19H E5F8F1F29516C3F1