InChI=1S/C33H52O8/c1-17(2)7-6-8-18(3)20-11-12-21-19-9-10-23-25(34)24(14-16-33(23,5)22(19)13-15-32(20,21)4)40-31-28(37)26(35)27(36)29(41-31)30(38)39/h7,10,18-22,24-29,31,34-37H,6,8-9,11-16H2,1-5H3,(H,38,39)/t18?,19?,20?,21?,22?,24?,25?,26?,27?,28?,29?,31?,32-,33-/m1/s1