InChI=1/C15H22N4O/c1-5-19-12-9-7-6-8-11(12)17-14(19)18-13(20)10-16-15(2,3)4/h6-9,16H,5,10H2,1-4H3,(H,17,18,20)/p+1/fC15H23N4O/h16-17H/q+1 0CACEA1B182B1C65