InChI=1S/C40H48O/c1-28(17-13-19-30(3)21-25-38-33(6)24-23-32(5)35(38)8)15-11-12-16-29(2)18-14-20-31(4)22-26-39-34(7)27-40(41)37(10)36(39)9/h11-27,41H,1-10H3/b12-11+,17-13+,18-14+,25-21+,26-22+,28-15+,29-16+,30-19+,31-20+