InChI=1S/C29H57NO4/c1-6-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-24-33-28(31)27(25-26(3)4)30(5)29(32)34-23-7-2/h26-27H,6-25H2,1-5H3