InChI=1S/C16H26O8/c1-5-16(4,7-9(17)6-8(2)3)24-15-12(20)10(18)11(19)13(23-15)14(21)22/h5,8,10-13,15,18-20H,1,6-7H2,2-4H3,(H,21,22)