InChI=1/C26H21NO3/c28-22-14-8-7-13-21(22)27-25(29)23-19(17-9-3-1-4-10-17)15-16-20(24(23)26(27)30)18-11-5-2-6-12-18/h1-16,19-20,23-24,28H/t19-,20-,23-,24-/m0/s1 A88D3A9D042E8F8C