InChI=1S/C16H26O8/c1-8-3-4-9(16(8,2)7-17)5-6-23-15-12(20)10(18)11(19)13(24-15)14(21)22/h3,9-13,15,17-20H,4-7H2,1-2H3,(H,21,22)