InChI=1/C18H17N5O2/c1-10-8-12(16-11(2)21-22(3)17(16)19-10)18(25)23-9-15(24)20-13-6-4-5-7-14(13)23/h4-8H,9H2,1-3H3,(H,20,24)/f/h20H 0FAC31203ACEFC1C