InChI=1S/C50H76O2/c1-39(2)31-35-47(49(11,12)51)37-33-45(9)29-19-27-43(7)25-17-23-41(5)21-15-16-22-42(6)24-18-26-44(8)28-20-30-46(10)34-38-48(50(13,14)52)36-32-40(3)4/h15-32,47-48,51-52H,33-38H2,1-14H3/b16-15+,23-17+,24-18+,27-19+,28-20+,41-21+,42-22+,43-25+,44-26+,45-29+,46-30+