InChI=1S/C33H51NO8/c1-16-5-8-23-17(2)28-32(4)12-10-21-20(22(32)14-33(28,40)34(23)15-16)7-6-18-13-19(9-11-31(18,21)3)41-30-26(37)24(35)25(36)27(42-30)29(38)39/h6,16-17,19-28,30,35-37,40H,5,7-15H2,1-4H3,(H,38,39)