InChI=1/C31H25NO/c33-30-28(23-13-5-2-6-14-23)27(22-11-3-1-4-12-22)29-24-17-9-15-21-16-10-18-25(26(21)24)31(29,30)32-19-7-8-20-32/h1-6,9-18,29H,7-8,19-20H2/t29-,31-/m0/s1 62AE75B662653ABB