InChI=1/C19H17N5O2/c20-18(21)12-7-9-14(10-8-12)25-16-5-2-6-17(24-16)26-15-4-1-3-13(11-15)19(22)23/h1-11H,(H3,20,21)(H3,22,23)/p+2/fC19H19N5O2/h20-23H2/q+2 E72A0AF2D6F3F688