InChI=1/C16H23N5/c1-3-5-14-19-15(16(17)21(14)18)12-7-8-13-11(10-12)6-4-9-20(13)2/h7-8,10H,3-6,9,17-18H2,1-2H3/p+1/fC16H24N5/h19H/q+1 EA0F7D94AC97E935