InChI=1S/C41H54O/c1-30(18-14-20-32(3)22-25-38-26-24-34(5)36(7)37(38)8)16-12-13-17-31(2)19-15-21-33(4)23-27-40-35(6)28-39(42-11)29-41(40,9)10/h12-27,39H,28-29H2,1-11H3/b13-12+,18-14+,19-15+,25-22+,27-23+,30-16+,31-17+,32-20+,33-21+/t39-/m0/s1