InChI=1S/C33H50O9/c1-17(2)7-6-12-33(5,40)24-9-8-20-19-16-23(41-30-27(37)25(35)26(36)28(42-30)29(38)39)22-15-18(34)10-13-31(22,3)21(19)11-14-32(20,24)4/h8,17,22-28,30,35-37,40H,6-7,9-16H2,1-5H3,(H,38,39)