InChI=1S/C16H26O8/c1-7-4-5-8(9(17)6-7)16(2,3)24-15-12(20)10(18)11(19)13(23-15)14(21)22/h7-8,10-13,15,18-20H,4-6H2,1-3H3,(H,21,22)