InChI=1S/C40H50O/c1-29(17-13-19-31(3)21-24-37-25-23-33(5)35(7)36(37)8)15-11-12-16-30(2)18-14-20-32(4)22-26-39-34(6)27-38(41)28-40(39,9)10/h11-21,23-25,38,41H,27-28H2,1-10H3/b12-11+,17-13+,18-14+,24-21+,29-15+,30-16+,31-19+,32-20+/t38-/m1/s1