InChI=1/C21H18N4O3/c1-13-7-8-18(26)15(9-13)21(28)14-11-22-25(12-14)20(27)10-19-23-16-5-3-4-6-17(16)24(19)2/h3-9,11-12,26H,10H2,1-2H3 847C951C3B716978