InChI=1S/C33H52O8/c1-20(2)10-7-11-21(3)12-8-13-22(4)14-9-16-33(6)17-15-24-19-25(18-23(5)29(24)41-33)39-32-28(36)26(34)27(35)30(40-32)31(37)38/h18-19,21-22,26-28,30,32,34-36H,1,7-17H2,2-6H3,(H,37,38)/t21?,22?,26?,27?,28?,30?,32?,33-/m1/s1