InChI=1S/C16H28O3/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15(17)16(18)19/h6-7,9-10,15,17H,2-5,8,11-14H2,1H3,(H,18,19)/b7-6-,10-9-