InChI=1S/C17H28O8/c1-3-4-8-11(9-6-5-7-10(2)18)24-17-14(21)12(19)13(20)15(25-17)16(22)23/h3,11-15,17,19-21H,1,4-9H2,2H3,(H,22,23)