InChI=1/C15H17N5O/c1-9(2)20-13(4-5-17-20)18-15(21)12-7-10(3)6-11-8-16-19-14(11)12/h4-9H,1-3H3,(H,16,19)(H,18,21)/f/h18-19H A35E667F82DC0713