InChI=1S/C15H24O3/c1-13(8-16)6-9-10(7-13)14(2)5-4-11(14)15(3,18)12(9)17/h9-11,16,18H,4-8H2,1-3H3/t9-,10-,11+,13+,14+,15+/m0/s1