InChI=1S/C18H32O3/c1-2-3-4-5-8-11-14-17(19)15-12-9-6-7-10-13-16-18(20)21/h3-4,8,11,17,19H,2,5-7,9-10,12-16H2,1H3,(H,20,21)/b4-3-,11-8-