InChI=1/C15H13ClO6/c1-21-12-4-2-8(6-11(12)16)10(14(17)18)7-9-3-5-13(22-9)15(19)20/h2-6,10H,7H2,1H3,(H,17,18)(H,19,20)/p-2/t10-/m1/s1/fC15H11ClO6/q-2 A9C9C553CC0E3C83