InChI=1S/C33H52O8/c1-17(2)14-20(34)15-18(3)23-8-9-24-22-7-6-19-16-21(10-12-32(19,4)25(22)11-13-33(23,24)5)40-31-28(37)26(35)27(36)29(41-31)30(38)39/h6,14,18,20-29,31,34-37H,7-13,15-16H2,1-5H3,(H,38,39)/t18?,20?,21?,22?,23?,24?,25?,26?,27?,28?,29?,31?,32-,33+/m0/s1