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