InChI=1/C19H20N4O2/c24-18(20-14-8-9-15-16(11-14)22-19(25)21-15)17-7-4-10-23(17)12-13-5-2-1-3-6-13/h1-3,5-6,8-9,11,17H,4,7,10,12H2,(H,20,24)(H2,21,22,25)/p+1/t17-/m0/s1/fC19H21N4O2/h20-23H/q+1 6FEF215C93884870