InChI=1/C11H6Cl2N4O3S/c1-4-2-6(20-17-4)9(18)14-11-16-15-10(19-11)5-3-7(12)21-8(5)13/h2-3H,1H3,(H,14,16,18)/f/h14H 2FBA1CED6713B43E