InChI=1S/C31H61NO4/c1-6-7-8-9-10-14-17-20-23-28(2)24-21-18-15-12-11-13-16-19-22-25-31(35)36-29(26-30(33)34)27-32(3,4)5/h28-29H,6-27H2,1-5H3