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