InChI=1S/C28H39N3O4/c1-5-19-20(6-2)24(14-26-22(10-8-12-33)18(4)28(16-35)31-26)29-23(19)13-25-21(9-7-11-32)17(3)27(15-34)30-25/h15-16,29-33H,5-14H2,1-4H3