InChI=1S/C40H56O4/c1-29(17-13-19-31(3)21-22-35(42)38(9)26-33(41)25-36(38,5)6)15-11-12-16-30(2)18-14-20-32(4)23-24-40-37(7,8)27-34(44-40)28-39(40,10)43/h11-24,33-34,41,43H,25-28H2,1-10H3/b12-11+,17-13+,18-14+,22-21+,24-23+,29-15-,30-16+,31-19+,32-20-