InChI=1/C12H10BrNO5S/c13-9-4-8(12(15)16)5-11(6-9)20(17,18)14-7-10-2-1-3-19-10/h1-6,14H,7H2,(H,15,16)/p-1/fC12H9BrNO5S/q-1 B29798B6F8C83074