InChI=1/C26H20N4O2/c1-28-17-11-6-12-18(28)30-16-10-5-3-8-14(16)20-22-21(25(31)27-26(22)32)19-13-7-2-4-9-15(13)29(17)23(19)24(20)30/h2-5,7-10,17-18H,6,11-12H2,1H3,(H,27,31,32)/t17-,18+/f/h27H 5873E40B537023EA