InChI=1/C15H8Cl2N4O4/c16-7-1-4-12-10(5-7)13(15(23)18-12)19-20-14(22)9-3-2-8(21(24)25)6-11(9)17/h1-6H,(H,20,22)(H,18,19,23)/p+1/fC15H9Cl2N4O4/h18-20H/q+1 2CC40C2BBE04AE3A