InChI=1S/C18H32O3/c1-2-3-14-17(19)15-12-10-8-6-4-5-7-9-11-13-16-18(20)21/h6,8,12,15,17,19H,2-5,7,9-11,13-14,16H2,1H3,(H,20,21)/b8-6+,15-12-