InChI=1S/C16H22O8/c1-15-7-2-6(3-8(7)15)16(15,4-17)5-23-14-11(20)9(18)10(19)12(24-14)13(21)22/h4,6-12,14,18-20H,2-3,5H2,1H3,(H,21,22)