InChI=1S/C15H28O5/c1-9-6-11(17)12(18)13(2)5-4-10(7-15(9,13)20)14(3,19)8-16/h9-12,16-20H,4-8H2,1-3H3/t9-,10+,11-,12+,13-,14?,15+/m0/s1