InChI=1/C18H16Cl2N2O4/c1-10(2)17-18(23)21(9-11-3-4-12(19)7-14(11)20)15-8-13(22(24)25)5-6-16(15)26-17/h3-8,10,17H,9H2,1-2H3/t17-/m0/s1 ECC9E0B1B404B3D8