InChI=1/C19H12Cl2N2O4/c20-13-6-5-10(7-14(13)21)9-23-16(25)11-3-1-2-4-12(11)19(18(23)27)8-15(24)22-17(19)26/h1-7H,8-9H2,(H,22,24,26)/p-1/t19-/m1/s1/fC19H11Cl2N2O4/q-1 13E95B7B1B4FD729