InChI=1S/C33H52O8/c1-17(2)7-6-8-18(3)22-11-12-23-21-10-9-19-15-20(13-14-32(19,4)25(21)24(34)16-33(22,23)5)40-31-28(37)26(35)27(36)29(41-31)30(38)39/h7,9,18,20-29,31,34-37H,6,8,10-16H2,1-5H3,(H,38,39)/t18?,20?,21?,22?,23?,24?,25?,26?,27?,28?,29?,31?,32-,33+/m0/s1