InChI=1S/C15H26O4/c1-3-4-5-10-14-13(17)9-7-6-8-12(16)11(2)15(18)19-14/h6,8,11-14,16-17H,3-5,7,9-10H2,1-2H3/b8-6-/t11-,12-,13+,14-/m1/s1