InChI=1/C16H26N4O2/c1-16(2,10-14(21)19-7-3-4-8-19)18-12-15(22)20-9-5-6-13(20)11-17/h13,18H,3-10,12H2,1-2H3/t13-/m0/s1 24F049CC12046292