InChI=1S/C16H28O3/c1-2-3-12-15(17)13-10-8-6-4-5-7-9-11-14-16(18)19/h4,6,10,13,15,17H,2-3,5,7-9,11-12,14H2,1H3,(H,18,19)/b6-4-,13-10-