InChI=1/C28H24N4O2/c1-31-28(22-13-7-4-8-14-22)26(27(30-31)21-11-5-3-6-12-21)24-16-17-25(33)32(29-24)19-20-10-9-15-23(18-20)34-2/h3-18H,19H2,1-2H3 E8D2EACCA29DA2B0