InChI=1/C12H10N2O4S3/c1-21(16,17)14-9-4-7-6-18-11(15)8(7)5-10(9)20-12-13-2-3-19-12/h2-5H,6H2,1H3,(H,14,15)/p-1/fC12H9N2O4S3/q-1 3A7E9360B1003A18