InChI=1/C11H11BrN2O3S/c1-13-9(15)7(10(16)14(2)11(13)17)5-6-3-4-8(12)18-6/h3-4,15H,5H2,1-2H3/p-1/fC11H10BrN2O3S/h15h/q-1 21C7B83A4948826A