InChI=1S/C15H24O3/c1-10(2)4-5-13-14(3,18-13)12-8-11(16)6-7-15(12)9-17-15/h4,11-13,16H,5-9H2,1-3H3/t11-,12-,13-,14-,15+/m1/s1