InChI=1/C28H24N4O/c1-33-23-14-12-20(13-15-23)24-16-22(19-8-4-2-5-9-19)17-25-26(24)27(21-10-6-3-7-11-21)32-28(31-25)29-18-30-32/h2-15,17-18,24,27H,16H2,1H3,(H,29,30,31)/t24-,27+/m0/s1/f/h31H 52C4DA11069624B0