InChI=1S/C15H26O3/c1-9(2)15-8-7-13(3,16)10-5-6-14(4,17)11(10)12(15)18-15/h9-12,16-17H,5-8H2,1-4H3/t10-,11-,12+,13+,14+,15+/m0/s1