InChI=1/C19H17N5O2/c20-18(21)12-4-8-14(9-5-12)25-16-2-1-3-17(24-16)26-15-10-6-13(7-11-15)19(22)23/h1-11H,(H3,20,21)(H3,22,23)/p+2/fC19H19N5O2/h20-23H2/q+2 DECE9B302F413A7E