InChI=1S/C37H56O2/c1-29(2)15-9-16-30(3)17-10-18-31(4)19-11-20-32(5)21-12-22-33(6)23-13-24-34(7)27-28-35-25-14-26-36(39-8)37(35)38/h14-15,17,19,21,23,25-27,38H,9-13,16,18,20,22,24,28H2,1-8H3/b30-17+,31-19+,32-21+,33-23+,34-27+