InChI=1S/C18H30O3/c1-2-3-4-5-6-7-8-9-10-11-12-14-17(19)15-13-16-18(20)21/h6-7,9-10,12,14,17,19H,2-5,8,11,13,15-16H2,1H3,(H,20,21)/b7-6-,10-9-,14-12-