InChI=1S/C42H58O4/c1-33(2)17-12-20-36(5)22-13-23-37(6)24-15-26-39(8)31-32-46-41(43)30-29-38(7)25-14-21-34(3)18-10-11-19-35(4)27-16-28-40(9)42(44)45/h10-11,14,16-19,21-22,24-25,27-31H,12-13,15,20,23,26,32H2,1-9H3,(H,44,45)/b11-10+,21-14+,27-16+,30-29+,34-18+,35-19+,36-22+,37-24+,38-25+,39-31+,40-28+