InChI=1S/C19H34O8/c1-2-3-4-5-6-7-8-9-10-11-13(20)12-26-19-16(23)14(21)15(22)17(27-19)18(24)25/h14-17,19,21-23H,2-12H2,1H3,(H,24,25)