InChI=1S/C26H40O6/c1-31-24-21-22(16-18-23(24)27)17-19-26(30)32-20-14-12-10-8-6-4-2-3-5-7-9-11-13-15-25(28)29/h16-19,21,27H,2-15,20H2,1H3,(H,28,29)/p-1