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