InChI=1/C21H34N4O2/c1-16-8-7-13-25(15-16)12-6-5-11-23-20(26)14-19(24-21(22)27)18-10-4-3-9-17(18)2/h3-4,9-10,16,19H,5-8,11-15H2,1-2H3,(H,23,26)(H3,22,24,27)/p+1/t16-,19-/m0/s1/fC21H35N4O2/h23-25H,22H2/q+1 456030D600D9A0F9