InChI=1S/C33H65NO4/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-24-25-26-27-28-33(37)38-31(29-32(35)36)30-34(2,3)4/h31H,5-30H2,1-4H3