InChI=1S/C15H22O2/c1-9-7-10(16)12-13(2,3)8-14(4)11(17)5-6-15(9,12)14/h5-6,9-10,12,16H,7-8H2,1-4H3/t9-,10+,12+,14-,15+/m1/s1