InChI=1/C18H11Cl2NO4/c19-10-5-6-12(14(20)7-10)16(22)9-25-18(24)13-8-17(23)21-15-4-2-1-3-11(13)15/h1-8H,9H2,(H,21,23)/f/h21H 9E0795E2BE9387D7