InChI=1S/C35H54O7/c1-20(31(38)39)11-12-26(41-22(3)36)21(2)24-13-18-35(9)30-25(14-17-34(24,35)8)33(7)16-15-29(42-23(4)37)32(5,6)28(33)19-27(30)40-10/h11,21,24,26-29H,12-19H2,1-10H3,(H,38,39)/b20-11-