InChI=1/C16H22N4O/c1-16(2,20(3)4)11-17-15(21)14-10-13(18-19-14)12-8-6-5-7-9-12/h5-10H,11H2,1-4H3,(H,17,21)(H,18,19)/p+1/fC16H23N4O/h17,19-20H/q+1 ED44B8DA636301E6