InChI=1S/C17H24O2/c1-2-3-11-14-17(19)15-12-9-7-5-4-6-8-10-13-16-18/h7,9,12,15,17-19H,2-3,10-11,13-14,16H2,1H3/b9-7+,15-12+/t17-/m0/s1