InChI=1/C29H27NO4/c1-17-26(29(32)34-3)27(23-10-6-8-19-7-4-5-9-22(19)23)28-24(30-17)15-20(16-25(28)31)18-11-13-21(33-2)14-12-18/h4-14,20,27,30H,15-16H2,1-3H3/t20-,27+/m1/s1 1F500DE3A8C65E36