InChI=1/C28H24N4O2/c1-4-18-31(20-10-6-5-7-11-20)27(33)25-24-22-12-8-9-13-23(22)30(3)26(24)28(34)32(29-25)21-16-14-19(2)15-17-21/h4-17H,1,18H2,2-3H3 7BD36FF95B96747A