InChI=1S/C40H50O3/c1-30(20-14-23-33(4)24-15-21-32(3)19-12-13-26-35(6)41)17-10-11-18-31(2)22-16-25-34(5)27-28-37-36(7)39(43)38(42)29-40(37,8)9/h10-28,38,42H,29H2,1-9H3/b11-10+,19-12+,20-14+,22-16+,24-15+,26-13+,28-27+,30-17+,31-18+,32-21+,33-23+,34-25+