InChI=1S/C16H26O8/c1-15(2)6-4-5-16(3,14(15)22)11(6)24-13-9(19)7(17)8(18)10(23-13)12(20)21/h6-11,13-14,17-19,22H,4-5H2,1-3H3,(H,20,21)