InChI=1S/C15H24O3/c1-9-5-11(16)6-10-7-13(17)12(14(2,3)18)8-15(9,10)4/h7,9,11-12,16,18H,5-6,8H2,1-4H3/t9-,11-,12+,15-/m0/s1