InChI=1S/C34H50O6/c1-20(11-10-12-21(2)30(37)38)26-19-29(40-23(4)36)34(9)25-13-14-27-31(5,6)28(39-22(3)35)16-17-32(27,7)24(25)15-18-33(26,34)8/h12-13,15,20,26-29H,10-11,14,16-19H2,1-9H3,(H,37,38)/b21-12+