InChI=1S/C17H28O3/c1-7-17(6,19)12-8-9-14(4)16(20-15(5)18)11-10-13(2)3/h7,9-10,16,19H,1,8,11-12H2,2-6H3/b14-9+/t16-,17-/m1/s1