InChI=1S/C17H24O3/c1-11-7-8-17(9-18)10-20-16(15(11)12(17)2)13-3-5-14(19)6-4-13/h3-6,11-12,15-16,18-19H,7-10H2,1-2H3/t11-,12+,15+,16+,17-/m0/s1