InChI=1S/C15H22O3/c1-7-6-11(16)12-9(7)4-5-10-13(12)14(17)8(2)15(10,3)18/h5,7,9,11-14,16-18H,2,4,6H2,1,3H3/t7-,9+,11-,12+,13+,14+,15-/m0/s1