InChI=1S/C15H22O2/c1-10-4-5-11-13(2,9-16)8-14(3)12(17)6-7-15(10,11)14/h6-7,10-11,16H,4-5,8-9H2,1-3H3/t10-,11+,13-,14-,15+/m1/s1