InChI=1S/C18H30O3/c1-2-3-4-5-7-10-13-16-21-17-14-11-8-6-9-12-15-18(19)20/h7,10,13-14,16-17H,2-6,8-9,11-12,15H2,1H3,(H,19,20)/b10-7-,16-13+,17-14+