InChI=1/C19H17N5O2/c20-18(21)12-4-1-6-14(10-12)25-16-8-3-9-17(24-16)26-15-7-2-5-13(11-15)19(22)23/h1-11H,(H3,20,21)(H3,22,23)/p+2/fC19H19N5O2/h20-23H2/q+2 EAC4A30DEE4197F9