InChI=1/C19H20N4O2/c1-12(2)23-10-14(8-9-16(23)25)18-17(13-6-4-3-5-7-13)22-19(20)15(11-24)21-18/h3-10,12,24H,11H2,1-2H3,(H2,20,22)/f/h20H2 86F0E3FE9FA7C430