InChI=1S/C36H68O2/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-31-33-35-38-36(37)34-32-30-28-26-24-22-20-18-16-14-12-10-8-6-4-2/h17,19-20,22H,3-16,18,21,23-35H2,1-2H3/b19-17-,22-20-