InChI=1S/C33H50O11/c1-16-23-22(44-33(16)11-10-32(40,14-34)15-41-33)13-21-19-5-4-17-12-18(6-8-30(17,2)20(19)7-9-31(21,23)3)42-29-26(37)24(35)25(36)27(43-29)28(38)39/h4,16,18-27,29,34-37,40H,5-15H2,1-3H3,(H,38,39)