InChI=1/C16H30N4O2/c1-6-8-18-14(21)10-20(9-7-2)11-15(22)19-16(5,12-17)13(3)4/h13H,6-11H2,1-5H3,(H,18,21)(H,19,22)/t16-/m0/s1/f/h18-19H 9DB1EB50AC611AAA