InChI=1S/C17H28O5/c1-9-6-11(22-10(2)18)13-15(3,4)7-16(5)8-21-14(19)12(9)17(13,16)20/h9,11-14,19-20H,6-8H2,1-5H3/t9-,11+,12-,13+,14-,16-,17-/m1/s1