InChI=1S/C18H30O3/c1-2-3-4-5-8-11-14-17(19)15-12-9-6-7-10-13-16-18(20)21/h6,8-9,11-12,15,17,19H,2-5,7,10,13-14,16H2,1H3,(H,20,21)/b9-6-,11-8-,15-12+