InChI=1S/C18H30O3/c1-2-17-16(19)14-12-10-8-6-4-3-5-7-9-11-13-15-18(20)21-17/h4,6,10,12,16-17,19H,2-3,5,7-9,11,13-15H2,1H3/b6-4-,12-10-/t16-,17-/m0/s1