InChI=1S/C17H26O5/c1-4-5-11(18)6-7-12-8-9-17(21-12)10-13-14(22-17)16(2,3)15(19)20-13/h12-14H,4-10H2,1-3H3/t12-,13+,14-,17-/m1/s1