InChI=1/C12H8Cl2N4O3/c13-7-5-10(14)11(15-6-7)17-12(19)16-8-1-3-9(4-2-8)18(20)21/h1-6H,(H2,15,16,17,19)/f/h16-17H 0ACECA4F0E9F2A95