InChI=1S/C51H78O/c1-41(2)21-13-22-42(3)23-14-24-43(4)25-15-26-44(5)27-16-28-45(6)29-17-30-46(7)31-18-32-47(8)33-19-34-48(9)35-20-36-49(10)39-40-50-37-11-12-38-51(50)52/h11-12,21,23,25,27,29,31,33,35,37-39,52H,13-20,22,24,26,28,30,32,34,36,40H2,1-10H3/b42-23+,43-25+,44-27+,45-29+,46-31+,47-33+,48-35+,49-39+