InChI=1/C20H20N4O3/c1-13(2)24(11-15-5-3-14(10-21)4-6-15)20(26)22-16-7-8-18-17(9-16)23-19(25)12-27-18/h3-9,13H,11-12H2,1-2H3,(H,22,26)(H,23,25)/f/h22-23H DCFA452A732EBC34