InChI=1/C13H13ClO6/c1-2-19-10-6-8(3-4-11(15)16)5-9(14)13(10)20-7-12(17)18/h3-6H,2,7H2,1H3,(H,15,16)(H,17,18)/p-2/b4-3+/fC13H11ClO6/q-2 F272C937968117BA