InChI=1/C16H23N5O/c1-11-9-12(2)18-16(17-11)21-7-5-20(6-8-21)10-15-13(3)19-22-14(15)4/h9H,5-8,10H2,1-4H3/p+1/fC16H24N5O/h20H/q+1 8182F80EA6670F36