InChI=1S/C33H65NO4/c1-30(2)26-24-22-20-18-16-14-12-10-8-6-7-9-11-13-15-17-19-21-23-25-27-33(37)38-31(28-32(35)36)29-34(3,4)5/h30-31H,6-29H2,1-5H3