InChI=1S/C26H48O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-24-25-26(27)28/h7-8,17-18H,2-6,9-16,19-25H2,1H3,(H,27,28)/b8-7-,18-17-