InChI=1S/C15H26O3/c1-13(2)10-4-7-15(9-18-15)11(8-16)14(10,3)6-5-12(13)17/h10-12,16-17H,4-9H2,1-3H3/t10-,11+,12-,14-,15-/m0/s1