InChI=1/C21H20N4O3/c1-14-7-9-17(10-8-14)25-15(2)20(22-23-25)21(27)28-13-19(26)24-12-11-16-5-3-4-6-18(16)24/h3-10H,11-13H2,1-2H3 CD8E9C8704E3703C