InChI=1/C18H18N6O/c19-18-22-10-15(23-18)12-3-1-11(2-4-12)14-9-16(20-7-8-25)24-17-13(14)5-6-21-17/h1-6,9-10,25H,7-8H2,(H3,19,22,23)(H2,20,21,24)/p+1/fC18H19N6O/h20-23H,19H2/q+1 2E7776173B1891B3