InChI=1S/C16H26O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16(17)18/h2-3,5-6,9-10H,4,7-8,11-15H2,1H3,(H,17,18)/b3-2-,6-5-,10-9-