InChI=1/C19H20N4O2/c1-12(2)13-8-9-16-15(10-13)18(19(25)21-16)23-22-17(24)11-20-14-6-4-3-5-7-14/h3-10,12,20H,11H2,1-2H3,(H,22,24)(H,21,23,25)/p+1/fC19H21N4O2/h21-23H/q+1 EB18265836EC3D3D