InChI=1S/C40H54O2/c1-31(19-13-21-33(3)22-15-24-35(5)27-29-38(41)40(9,10)42)17-11-12-18-32(2)20-14-23-34(4)26-28-37-36(6)25-16-30-39(37,7)8/h11-15,17-24,26-29,42H,16,25,30H2,1-10H3/b12-11+,19-13+,20-14+,22-15+,28-26+,29-27+,31-17+,32-18+,33-21+,34-23+,35-24+