InChI=1S/C40H48O2/c1-27(17-13-19-29(3)21-23-37-31(5)25-39(41)35(9)33(37)7)15-11-12-16-28(2)18-14-20-30(4)22-24-38-32(6)26-40(42)36(10)34(38)8/h11-26,41-42H,1-10H3/b12-11+,17-13+,18-14+,23-21+,24-22+,27-15+,28-16+,29-19+,30-20+