InChI=1S/C15H28O5/c1-13(18)5-4-9(15(3,20)8-16)6-10-12(13)11(17)7-14(10,2)19/h9-12,16-20H,4-8H2,1-3H3/t9-,10-,11+,12+,13-,14-,15-/m1/s1