InChI=1S/C16H26O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16(17)18/h4-5,7-8,10-11H,2-3,6,9,12-15H2,1H3,(H,17,18)/b5-4+,8-7+,11-10+