InChI=1/C22H15ClN2O6/c23-14-9-7-13(8-10-14)20(26)18-19(16-5-1-2-6-17(16)25(29)30)24(22(28)21(18)27)12-15-4-3-11-31-15/h1-11,19,27H,12H2/p-1/t19-/m1/s1/fC22H14ClN2O6/h27h/q-1 F9EFB24849C6969E