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