InChI=1S/C33H51NO8/c1-16-4-7-23-17(2)25-24(34(23)14-16)13-22-20-6-5-18-12-19(8-10-32(18,3)21(20)9-11-33(22,25)15-35)41-31-28(38)26(36)27(37)29(42-31)30(39)40/h5,16-17,19-29,31,35-38H,4,6-15H2,1-3H3,(H,39,40)