InChI=1/C13H19N5O/c14-11-8(6-7-4-2-1-3-5-7)9-10(16-11)12(19)18-13(15)17-9/h7,16H,1-6,14H2,(H3,15,17,18,19)/f/h18H,15H2 9D23773C6776AFDC