InChI=1/C9H7Cl3N4O4/c10-3-5(13)4(11)7(12)16-6(3)8(18)20-1-2(17)15-9(14)19/h1H2,(H2,13,16)(H3,14,15,17,19)/f/h15H,13-14H2 1782A1C43B6860E6