InChI=1/C19H20N4O2/c24-17(12-23-8-4-1-5-9-23)21-13-10-16-18(20-11-13)14-6-2-3-7-15(14)19(25)22-16/h2-3,6-7,10-11H,1,4-5,8-9,12H2,(H,21,24)(H,22,25)/p+1/fC19H21N4O2/h21-23H/q+1 8BB5A5172DB61974