InChI=1/C15H24N4O/c1-11(2)19(7-3-9-20)8-6-15-17-13-5-4-12(16)10-14(13)18-15/h4-5,10-11,20H,3,6-9,16H2,1-2H3,(H,17,18)/p+1/fC15H25N4O/h18-19H/q+1 FE540CEA0253F7A4