InChI=1S/C21H36O5/c1-2-3-4-5-6-8-11-14-19(24)15-12-9-7-10-13-16-21(25)26-20(17-22)18-23/h6,8,11,14,20,22-23H,2-5,7,9-10,12-13,15-18H2,1H3/b8-6-,14-11+