InChI=1S/C40H52O3/c1-28(17-13-19-30(3)21-23-35-32(5)25-34(41)26-39(35,7)8)15-11-12-16-29(2)18-14-20-31(4)22-24-36-33(6)38(43)37(42)27-40(36,9)10/h11-24,27,34,41-42H,25-26H2,1-10H3/b12-11+,17-13+,18-14+,23-21+,24-22+,28-15-,29-16+,30-19+,31-20-