InChI=1/C23H17ClN2O4/c1-30-17-11-7-14(8-12-17)20-19(21(27)15-5-9-16(24)10-6-15)22(28)23(29)26(20)18-4-2-3-13-25-18/h2-13,20,28H,1H3/p-1/t20-/m1/s1/fC23H16ClN2O4/h28h/q-1 FE26A51DEAAE8751