InChI=1S/C30H34N2O4/c1-5-7-13-32(14-8-6-2)30(36)20-9-11-22-23(16-20)29(35)26(28(22)34)27-25(33)17-21-15-19(18(3)4)10-12-24(21)31-27/h9-12,15-18,31,33H,5-8,13-14H2,1-4H3