InChI=1S/C33H50O9/c1-17(2)6-5-7-18(3)21-8-9-22-20-15-25(41-31-28(38)26(36)27(37)29(42-31)30(39)40)24-14-19(35)10-13-33(24,16-34)23(20)11-12-32(21,22)4/h9,17-18,21,24-29,31,34,36-38H,5-8,10-16H2,1-4H3,(H,39,40)