InChI=1/C14H26N4O3/c1-16-7-8-17(2)12(10-16)9-15-14(21)18-5-3-11(4-6-18)13(19)20/h11-12H,3-10H2,1-2H3,(H,15,21)(H,19,20)/t12-/m1/s1/f/h15-16H EE73D35B37CFB2D7