InChI=1S/C15H26O3/c1-9-6-13(17)14(18)15(3)5-4-11(7-12(9)15)10(2)8-16/h9,11-14,16-18H,2,4-8H2,1,3H3/t9-,11+,12-,13-,14+,15+/m1/s1