InChI=1S/C33H66/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-31-33-32-30-28-26-24-22-20-18-16-14-12-10-8-6-4-2/h29,31H,3-28,30,32-33H2,1-2H3/b31-29+