InChI=1S/C33H52O8/c1-17(2)7-6-8-18(3)21-9-10-22-25-23(12-14-33(21,22)5)32(4)13-11-20(34)15-19(32)16-24(25)40-31-28(37)26(35)27(36)29(41-31)30(38)39/h16-18,21-29,31,35-37H,6-15H2,1-5H3,(H,38,39)/t18?,21?,22?,23?,24?,25?,26?,27?,28?,29?,31?,32-,33+/m0/s1