InChI=1/C15H28N4O3/c1-15(2,3)7-13(21)17-8-14(22)18-11-5-4-6-19(9-11)10-12(16)20/h11H,4-10H2,1-3H3,(H2,16,20)(H,17,21)(H,18,22)/t11-/m1/s1/f/h17-18H,16H2 018BAF9940C4F28E