InChI=1/C19H20N4O3/c1-19(2)18(26)22-14-9-5-6-10-15(14)23(19)16(24)11-21-13-8-4-3-7-12(13)17(20)25/h3-10,21H,11H2,1-2H3,(H2,20,25)(H,22,26)/f/h22H,20H2 849890E579C34B38