InChI=1/C16H32N4O2/c1-13(2)20(3)10-6-9-17-15(21)12-19-16(22)18-11-14-7-4-5-8-14/h13-14H,4-12H2,1-3H3,(H,17,21)(H2,18,19,22)/p+1/fC16H33N4O2/h17-20H/q+1 9A26A47B776B2729